[StepSecurity] ci: Harden GitHub Actions (#145)

Signed-off-by: StepSecurity Bot <bot@stepsecurity.io>

.github/workflows/codeql-analysis.yml

@@ -48,7 +48,7 @@ jobs:
       uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9
       with:
         persist-credentials: false
-    - uses: actions/cache@v3.3.1
+    - uses: actions/cache@88522ab9f39a2ea568f7027eddc7d8d8bc9d59c8 # v3.3.1
       with:
         path: ~/.m2/repository
         key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
@@ -57,7 +57,7 @@ jobs:
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v2
+      uses: github/codeql-action/init@f6e388ebf0efc915c6c5b165b019ee61a6746a38 # v2.20.1
       with:
         languages: ${{ matrix.language }}
         # If you wish to specify custom queries, you can do so here or in a config file.
@@ -68,7 +68,7 @@ jobs:
     # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
     # If this step fails, then you should remove it and run the build manually (see below)
     - name: Autobuild
-      uses: github/codeql-action/autobuild@v2
+      uses: github/codeql-action/autobuild@f6e388ebf0efc915c6c5b165b019ee61a6746a38 # v2.20.1
 
     # ℹ️ Command-line programs to run using the OS shell.
     # 📚 https://git.io/JvXDl
@@ -82,4 +82,4 @@ jobs:
     #   make release
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v2
+      uses: github/codeql-action/analyze@f6e388ebf0efc915c6c5b165b019ee61a6746a38 # v2.20.1