Fix outdated GH action scripts.

Author: gniftygnome

.github/workflows/check_build.yml

@@ -22,7 +22,7 @@ jobs:
         with:
           fetch-depth: 0
       - name: Validate Gradle wrapper
-        uses: gradle/wrapper-validation-action@v1
+        uses: gradle/actions/wrapper-validation@v4
       - name: Setup JDK ${{ matrix.java }}
         uses: actions/setup-java@v4
         with:

.github/workflows/release.yml

@@ -14,12 +14,13 @@ jobs:
       matrix:
         # Use these Java versions
         java: [21]
+        distro: [temurin]
         # and run on both Linux and Windows
-        os: [ubuntu-22.04]
+        os: [ubuntu-latest]
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: Create version tag
@@ -35,11 +36,11 @@ jobs:
       - name: Fetch tags
         run: git fetch --tags
       - name: Validate Gradle wrapper
-        uses: gradle/wrapper-validation-action@v1
+        uses: gradle/actions/wrapper-validation@v4
       - name: Setup JDK ${{ matrix.java }}
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
-          distribution: zulu
+          distribution: ${{ matrix.distro }}
           java-version: ${{ matrix.java }}
       - name: Make Gradle wrapper executable
         if: ${{ runner.os != 'Windows' }}