Updated JDK to 21 for Github Actions

Author: ribafish

.github/workflows/convention-develocity-gradle-plugin-verification.yml

@@ -16,10 +16,10 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-      - name: Set up JDK 17
+      - name: Set up JDK 21
         uses: actions/setup-java@v4
         with:
-          java-version: '17'
+          java-version: '21'
           distribution: 'temurin'
       - name: Set up Gradle
         uses: gradle/actions/setup-gradle@v4

.github/workflows/convention-develocity-maven-extension-verification.yml

@@ -16,10 +16,10 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-      - name: Set up JDK 17
+      - name: Set up JDK 21
         uses: actions/setup-java@v4
         with:
-          java-version: '17'
+          java-version: '21'
           distribution: 'temurin'
           cache: maven
       - name: Set up Maven

.github/workflows/convention-develocity-shared-verification.yml

@@ -16,10 +16,10 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-      - name: Set up JDK 17
+      - name: Set up JDK 21
         uses: actions/setup-java@v4
         with:
-          java-version: '17'
+          java-version: '21'
           distribution: 'temurin'
       - name: Set up Gradle
         uses: gradle/actions/setup-gradle@v4

.github/workflows/gradle-data-capturing-samples-verification.yml

@@ -37,10 +37,10 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-      - name: Set up JDK 17
+      - name: Set up JDK 21
         uses: actions/setup-java@v4
         with:
-          java-version: '17'
+          java-version: '21'
           distribution: 'temurin'
       - name: Set up Gradle
         uses: gradle/actions/setup-gradle@v4

.github/workflows/maven-build-caching-samples-verification.yml

@@ -19,10 +19,10 @@ jobs:
     name: Verification
     runs-on: ubuntu-latest
     steps:
-      - name: Set up JDK 17
+      - name: Set up JDK 21
         uses: actions/setup-java@v4
         with:
-          java-version: '17'
+          java-version: '21'
           distribution: 'temurin'
       - name: Set up Maven
         uses: gradle/develocity-actions/[email protected]

.github/workflows/maven-data-capturing-samples-verification.yml

@@ -34,10 +34,10 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-      - name: Set up JDK 17
+      - name: Set up JDK 21
         uses: actions/setup-java@v4
         with:
-          java-version: '17'
+          java-version: '21'
           distribution: 'temurin'
       - name: Provide data capture script to Maven build
         run: |