Update main CI workflow

Author: cowtowncoder

.github/workflows/main.yml

@@ -26,9 +26,9 @@ jobs:
     env:
       JAVA_OPTS: "-XX:+TieredCompilation -XX:TieredStopAtLevel=1"
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
     - name: Set up JDK
-      uses: actions/setup-java@v3
+      uses: actions/setup-java@3a4f6e1af504cf6a31855fa899c6aa5355ba6c12 # v4.7.0
       with:
         distribution: 'temurin'
         java-version: ${{ matrix.java_version }}
@@ -56,7 +56,7 @@ jobs:
       run: ./mvnw -B -q -ff -ntp test
     - name: Publish code coverage 
       if: ${{ github.event_name != 'pull_request' && matrix.java_version == '8' }}
-      uses: codecov/codecov-action@v1
+      uses: codecov/codecov-action@0565863a31f2c772f9f0395002a31e3f06189574 # v5.4.0
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         file: ./target/site/jacoco/jacoco.xml