chore: migrate from semantic-release to release-please

Author: kikoso

.github/workflows/publish.yml

@@ -0,0 +1,47 @@
+name: Publish to Maven Central
+on:
+  release:
+    types: [published]
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          java-version: '21'
+          distribution: 'adopt'
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v3
+      
+      - name: Set up Gradle Publishing Environment Variables
+        run: |
+          echo $GPG_KEY_ARMOR | base64 --decode > ./release.asc
+          gpg --quiet --output $GITHUB_WORKSPACE/release.gpg --dearmor ./release.asc
+
+          echo "Build and publish"
+          # Inject secrets into gradle.properties
+          # Note: It is often safer to pass these as ./gradlew -P... properties or env vars if the build script supports it, 
+          # but we are replicating the previous behavior of sed replacements to minimize build script changes unless necessary.
+          # However, typical best practice is environment variables.
+          # Let's check how build.gradle.kts and gradle.properties interact.
+          # The previous workflow used sed to replace values in gradle.properties.
+          # We will replicate that for stability.
+          
+          sed -i -e "s,mavenCentralUsername=,mavenCentralUsername=$SONATYPE_TOKEN_USERNAME,g" gradle.properties
+          SONATYPE_TOKEN_PASSWORD_ESCAPED=$(printf '%s\n' "$SONATYPE_TOKEN_PASSWORD" | sed -e 's/[\/&]/\\&/g')
+          sed -i -e "s,mavenCentralPassword=,mavenCentralPassword=$SONATYPE_TOKEN_PASSWORD_ESCAPED,g" gradle.properties
+          sed -i -e "s,signing.keyId=,signing.keyId=$GPG_KEY_ID,g" gradle.properties
+          sed -i -e "s,signing.password=,signing.password=$GPG_PASSWORD,g" gradle.properties
+          sed -i -e "s,signing.secretKeyRingFile=,signing.secretKeyRingFile=$GITHUB_WORKSPACE/release.gpg,g" gradle.properties
+
+      - name: Publish
+        run: ./gradlew publishToMavenCentral
+        env:
+          SONATYPE_TOKEN_USERNAME: ${{ secrets.SONATYPE_TOKEN }}
+          SONATYPE_TOKEN_PASSWORD: ${{ secrets.SONATYPE_TOKEN_PASSWORD }}
+          GPG_KEY_ARMOR: ${{ secrets.SYNCED_GPG_KEY_ARMOR }}
+          GPG_PASSWORD: ${{ secrets.SYNCED_GPG_KEY_PASSWORD }}
+          GPG_KEY_ID: ${{ secrets.SYNCED_GPG_KEY_ID }}

.github/workflows/release-please.yml

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+on:
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: write
+  pull-requests: write
+
+name: release-please
+
+jobs:
+  release-please:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: google-github-actions/release-please-action@v4
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          config-file: release-please-config.json
+          manifest-file: .release-please-manifest.json

.release-please-manifest.json

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+{
+    ".": "6.12.2"
+}

release-please-config.json

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+{
+    "packages": {
+        ".": {
+            "release-type": "simple",
+            "extra-files": [
+                "build.gradle.kts",
+                "README.md"
+            ]
+        }
+    }
+}