chore(deps): update actions/cache action to v6

Author: renovate[bot]

.github/workflows/continuous.yml

@@ -41,7 +41,7 @@ jobs:
           echo "key=${key}" >> $GITHUB_ENV
           echo "cache-key=${key}" >> $GITHUB_OUTPUT
       - name: Cache Gradle
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: |
             ~/.gradle/caches/modules-2
@@ -112,7 +112,7 @@ jobs:
           which java
           echo 'y' | sdk install java 11.0.31-tem
       - name: Cache Gradle
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: |
             ~/.gradle/caches/modules-2
@@ -174,7 +174,7 @@ jobs:
       uses: gradle/actions/setup-gradle@v6
     - name: Cache Java binaries
       id: cache-java
-      uses: actions/cache@v5
+      uses: actions/cache@v6
       with:
         path: ${{ runner.tool_cache }}/Java_*
         key: java-${{ runner.os }}-temurin-24
@@ -185,7 +185,7 @@ jobs:
         java-version: 24
         distribution: temurin
     - name: Cache Gradle
-      uses: actions/cache@v5
+      uses: actions/cache@v6
       with:
         path: |
           ~/.gradle/caches/modules-2

.github/workflows/release.yml

@@ -160,7 +160,7 @@ jobs:
 
       - name: Cache Java binaries
         id: cache-java
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ${{ runner.tool_cache }}/Java_*
           key: java-${{ runner.os }}-temurin-11
@@ -185,7 +185,7 @@ jobs:
           echo "key=${key}" >> $GITHUB_OUTPUT
 
       - name: Cache Gradle
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: |
             ~/.gradle/caches/modules-2
@@ -262,7 +262,7 @@ jobs:
           echo 'y' | sdk install java 11.0.31-tem
 
       - name: Cache Gradle
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: |
             ~/.gradle/caches/modules-2
@@ -385,7 +385,7 @@ jobs:
 
       - name: Cache Java binaries
         id: cache-java
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ${{ runner.tool_cache }}/Java_*
           key: java-${{ runner.os }}-temurin-11
@@ -404,7 +404,7 @@ jobs:
         uses: gradle/actions/setup-gradle@v6
 
       - name: Cache Gradle
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: |
             ~/.gradle/caches/modules-2
@@ -612,7 +612,7 @@ jobs:
 
       - name: Cache Java binaries
         id: cache-java
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ${{ runner.tool_cache }}/Java_*
           key: java-${{ runner.os }}-temurin-11
@@ -740,7 +740,7 @@ jobs:
 
       - name: Cache Java binaries
         id: cache-java
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ${{ runner.tool_cache }}/Java_*
           key: java-${{ runner.os }}-temurin-11

.github/workflows/sdkman-set-default.yml

@@ -25,7 +25,7 @@ jobs:
 
       - name: Cache Java binaries
         id: cache-java
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ${{ runner.tool_cache }}/Java_*
           key: java-${{ runner.os }}-temurin-11

.github/workflows/v2-protocol-tests.yml

@@ -36,7 +36,7 @@ jobs:
 
       - name: Cache Java binaries
         id: cache-java
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ${{ runner.tool_cache }}/Java_*
           key: java-${{ runner.os }}-temurin-${{ matrix.java }}
@@ -52,7 +52,7 @@ jobs:
         uses: gradle/actions/setup-gradle@v6
 
       - name: Cache Gradle packages
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: |
             ~/.gradle/caches
@@ -91,7 +91,7 @@ jobs:
 
       - name: Cache Java binaries
         id: cache-java
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ${{ runner.tool_cache }}/Java_*
           key: java-${{ runner.os }}-temurin-11
@@ -143,7 +143,7 @@ jobs:
 
       - name: Cache Java binaries
         id: cache-java
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ${{ runner.tool_cache }}/Java_*
           key: java-${{ runner.os }}-temurin-11
@@ -194,7 +194,7 @@ jobs:
 
       - name: Cache Java binaries
         id: cache-java
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ${{ runner.tool_cache }}/Java_*
           key: java-${{ runner.os }}-temurin-11
@@ -255,7 +255,7 @@ jobs:
 
       - name: Cache Java binaries
         id: cache-java
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ${{ runner.tool_cache }}/Java_*
           key: java-${{ runner.os }}-temurin-11
@@ -346,7 +346,7 @@ jobs:
 
       - name: Cache Java binaries
         id: cache-java
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ${{ runner.tool_cache }}/Java_*
           key: java-${{ runner.os }}-temurin-11