ci: use newer actions

Author: OptiJava

.github/workflows/build.yml

@@ -18,11 +18,11 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: checkout repository
-        uses: actions/checkout@v3.5.3
+        uses: actions/checkout@v4
       - name: validate gradle wrapper
-        uses: gradle/wrapper-validation-action@v1.0.6
+        uses: gradle/wrapper-validation-action@v3
       - name: setup jdk ${{ matrix.java }}
-        uses: actions/setup-java@v3.4.1
+        uses: actions/setup-java@v4
         with:
           java-version: ${{ matrix.java }}
           distribution: 'adopt'
@@ -40,7 +40,7 @@ jobs:
           bash ./.github/scripts/build_output.sh
       - name: capture build artifacts
         if: ${{ runner.os == 'Linux' && matrix.java == '17' }}
-        uses: actions/upload-artifact@v3.1.2
+        uses: actions/upload-artifact@v4
         with:
           name: artifacts
           path: out/

.github/workflows/publish.yml

@@ -30,7 +30,7 @@ jobs:
       - name: checkout repository
         uses: actions/checkout@v3.5.3
       - name: download build artifacts
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: artifacts
           path: artifacts