ci improvements

Author: dili91

.github/workflows/acceptance-tests.yml

@@ -29,7 +29,7 @@ jobs:
   acceptance-tests:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           ref: ${{ inputs.checkout_ref }}
       - name: Setup JDK

.github/workflows/build-test-coverage.yml

@@ -29,7 +29,7 @@ jobs:
     outputs:
       project_version: ${{ steps.get_project_version.outputs.project_version }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           ref: ${{ inputs.checkout_ref }}
       - name: Setup JDK ${{ matrix.java }}
@@ -64,7 +64,7 @@ jobs:
     name: Test coverage analysis
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           ref: ${{ inputs.checkout_ref }}
       - name: Setup JDK

.github/workflows/release-snapshot.yml

@@ -29,7 +29,7 @@ jobs:
     name: Release to Maven Central
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           ref: ${{ inputs.checkout_ref }}
       - name: Setup JDK

.github/workflows/workflow-examples.yml

@@ -19,7 +19,7 @@ jobs:
       run:
         working-directory: ./examples/${{ matrix.project-working-dir }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Setup JDK
         uses: actions/setup-java@v4
         with:

.github/workflows/workflow-main.yml

@@ -32,7 +32,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: [build-test-coverage, acceptance-tests]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           ref: ${{ github.ref }}
       - name: Setup JDK