Merge remote-tracking branch 'origin/opamp-client-api' into opamp-client-api

# Conflicts:
#	.github/workflows/build.yml

Author: LikeTheSalad

.github/workflows/build.yml

@@ -8,9 +8,6 @@ on:
   pull_request:
   workflow_dispatch:
 
-permissions:
-  contents: read
-
 concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.sha }}
   cancel-in-progress: true
@@ -19,20 +16,24 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
 
       - name: Set up JDK for running Gradle
-        uses: actions/setup-java@3a4f6e1af504cf6a31855fa899c6aa5355ba6c12 # v4.7.0
+        uses: actions/setup-java@v4
         with:
           distribution: temurin
           java-version: 17
 
       - name: Set up gradle
-        uses: gradle/actions/setup-gradle@06832c7b30a0129d7fb559bcc6e43d26f6374244 # v4.3.1
+        uses: gradle/actions/setup-gradle@v4
         with:
           cache-read-only: ${{ github.event_name == 'pull_request' }}
       - name: Gradle build and test
         run: ./gradlew build -x test
+        env:
+          GRADLE_ENTERPRISE_ACCESS_KEY: ${{ secrets.GRADLE_ENTERPRISE_ACCESS_KEY }}
 
   test:
     name: test (${{ matrix.test-java-version }})
@@ -43,28 +44,29 @@ jobs:
           - 8
           - 11
           - 17
-          - 21
-          - 23
+          - 20
       fail-fast: false
     steps:
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
 
       - id: setup-test-java
         name: Set up JDK ${{ matrix.test-java-version }} for running tests
-        uses: actions/setup-java@3a4f6e1af504cf6a31855fa899c6aa5355ba6c12 # v4.7.0
+        uses: actions/setup-java@v4
         with:
           # using zulu because new releases get published quickly
           distribution: zulu
           java-version: ${{ matrix.test-java-version }}
 
       - name: Set up JDK for running Gradle
-        uses: actions/setup-java@3a4f6e1af504cf6a31855fa899c6aa5355ba6c12 # v4.7.0
+        uses: actions/setup-java@v4
         with:
           distribution: temurin
           java-version: 17
 
       - name: Set up gradle
-        uses: gradle/actions/setup-gradle@06832c7b30a0129d7fb559bcc6e43d26f6374244 # v4.3.1
+        uses: gradle/actions/setup-gradle@v4
         with:
           cache-read-only: ${{ github.event_name == 'pull_request' }}
       - name: Gradle test
@@ -73,28 +75,33 @@ jobs:
           -PtestJavaVersion=${{ matrix.test-java-version }}
           -Porg.gradle.java.installations.paths=${{ steps.setup-test-java.outputs.path }}
           -Porg.gradle.java.installations.auto-download=false
+        env:
+          GRADLE_ENTERPRISE_ACCESS_KEY: ${{ secrets.GRADLE_ENTERPRISE_ACCESS_KEY }}
 
   integration-test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
 
       - name: Set up JDK for running Gradle
-        uses: actions/setup-java@3a4f6e1af504cf6a31855fa899c6aa5355ba6c12 # v4.7.0
+        uses: actions/setup-java@v4
         with:
           distribution: temurin
           java-version: 17
 
       - name: Set up gradle
-        uses: gradle/actions/setup-gradle@06832c7b30a0129d7fb559bcc6e43d26f6374244 # v4.3.1
+        uses: gradle/actions/setup-gradle@v4
         with:
           cache-read-only: ${{ github.event_name == 'pull_request' }}
-
       - name: Integration test
         run: ./gradlew integrationTest
+        env:
+          GRADLE_ENTERPRISE_ACCESS_KEY: ${{ secrets.GRADLE_ENTERPRISE_ACCESS_KEY }}
 
       - name: Save integration test results
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
+        uses: actions/upload-artifact@v4
         if: always()
         with:
           name: integration-test-results
@@ -129,16 +136,18 @@ jobs:
       - integration-test
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
 
       - name: Set up JDK for running Gradle
-        uses: actions/setup-java@3a4f6e1af504cf6a31855fa899c6aa5355ba6c12 # v4.7.0
+        uses: actions/setup-java@v4
         with:
           distribution: temurin
           java-version: 17
 
       - name: Set up gradle
-        uses: gradle/actions/setup-gradle@06832c7b30a0129d7fb559bcc6e43d26f6374244 # v4.3.1
+        uses: gradle/actions/setup-gradle@v4
         # skipping release branches because the versions in those branches are not snapshots
         # (also this skips pull requests)
         if: ${{ github.ref_name == 'main' && github.repository == 'open-telemetry/opentelemetry-java-contrib' }}
@@ -152,21 +161,19 @@ jobs:
           GPG_PASSWORD: ${{ secrets.GPG_PASSWORD }}
 
   required-status-check:
-    if: github.event_name == 'pull_request' && always()
+    if: github.event_name == 'pull_request'
     needs:
       - build
-      - test
       - integration-test
       - markdown-lint-check
       - misspell-check
       - shell-script-check
     runs-on: ubuntu-latest
     steps:
-      # only the build and test checks are required for release branch PRs in order
+      # only the "build" and "integration-test" checks are required for release branch PRs in order
       # to avoid any unnecessary release branch maintenance (especially for patches)
       - if: |
           needs.build.result != 'success' ||
-          needs.test.result != 'success' ||
           needs.integration-test.result != 'success' ||
           (
             !startsWith(github.base_ref, 'release/') &&