Add hash-version for Github actions

Author: cowtowncoder

.github/workflows/main.yml

@@ -25,9 +25,9 @@ jobs:
     env:
       JAVA_OPTS: "-XX:+TieredCompilation -XX:TieredStopAtLevel=1"
     steps:
-    - uses: actions/[email protected]
+    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
     - name: Set up JDK
-      uses: actions/[email protected]
+      uses: actions/setup-java@0ab4596768b603586c0de567f2430c30f5b0d2b0 # v3.13.0
       with:
         distribution: "temurin"
         java-version: ${{ matrix.java_version }}
@@ -39,7 +39,7 @@ 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@v3
+      uses: codecov/codecov-action@eaaf4bedf32dbdc6b720b63067d99c4d77d6047d # v3.1.4
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
         file: ./target/site/jacoco/jacoco.xml