Prepare upgrade to JDK 25 LTS and 26 EA for GitHub Actions

Author: olyagpl

.github/workflows/clouds-native-aws-fargate.yml

@@ -22,7 +22,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: graalvm/setup-graalvm@v1
         with:
-          java-version: '21'
+          java-version: '25'
           distribution: 'graalvm'
           github-token: ${{ secrets.GITHUB_TOKEN }}
       - name: Run 'clouds/native-aws-fargate'

.github/workflows/clouds-native-aws-lambda.yml

@@ -22,7 +22,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: graalvm/setup-graalvm@v1
         with:
-          java-version: '21'
+          java-version: '25'
           distribution: 'graalvm'
           github-token: ${{ secrets.GITHUB_TOKEN }}
       - name: Run 'clouds/native-aws-lambda java'

.github/workflows/clouds-native-google-cloud-run.yml

@@ -22,7 +22,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: graalvm/setup-graalvm@v1
         with:
-          java-version: '21'
+          java-version: '25'
           distribution: 'graalvm'
           github-token: ${{ secrets.GITHUB_TOKEN }}
       - name: Run 'clouds/native-google-cloud-run'

.github/workflows/clouds-native-oci-cloud-shell.yml

@@ -22,7 +22,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: graalvm/setup-graalvm@v1
         with:
-          java-version: '21'
+          java-version: '25'
           distribution: 'graalvm'
           github-token: ${{ secrets.GITHUB_TOKEN }}
           cache: 'maven'

.github/workflows/clouds-native-oci-container-instances.yml

@@ -22,7 +22,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: graalvm/setup-graalvm@v1
         with:
-          java-version: '21'
+          java-version: '25'
           distribution: 'graalvm'
           github-token: ${{ secrets.GITHUB_TOKEN }}
       - name: Run 'clouds/native-oci-container-instances'

.github/workflows/clouds-native-oci-generative-ai.yml

@@ -22,7 +22,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: graalvm/setup-graalvm@v1
         with:
-          java-version: '21'
+          java-version: '25'
           distribution: 'graalvm'
           github-token: ${{ secrets.GITHUB_TOKEN }}
       - name: Run 'native-oci-generative-ai'

.github/workflows/compiler-java-stream-benchmark.yml

@@ -20,7 +20,7 @@ jobs:
     timeout-minutes: 15
     strategy:
       matrix:
-        java-version: ['21', '25-ea']
+        java-version: ['25', '26-ea']
     steps:
       - uses: actions/checkout@v4
       - uses: graalvm/setup-graalvm@v1

.github/workflows/containerize-spring-boot-jibber.yml

@@ -20,7 +20,7 @@ jobs:
     timeout-minutes: 20
     strategy:
       matrix:
-        java-version: ['21', '25-ea']
+        java-version: ['25', '26-ea']
     steps:
       - uses: actions/checkout@v4
       - uses: graalvm/setup-graalvm@v1

.github/workflows/containerize-tiny-java-containers.yml

@@ -16,7 +16,7 @@ jobs:
     timeout-minutes: 20
     strategy:
       matrix:
-        java-version: ['21', '25-ea']
+        java-version: ['25', '26-ea']
     steps:
       - uses: actions/checkout@v4
       - uses: graalvm/setup-graalvm@v1

.github/workflows/microservices-micronaut-hello-rest-maven.yml

@@ -16,7 +16,7 @@ jobs:
     timeout-minutes: 15
     strategy:
       matrix:
-        java-version: ['21', '25-ea']
+        java-version: ['25', '26-ea']
     steps:
       - uses: actions/checkout@v4
       - uses: graalvm/setup-graalvm@v1