[StepSecurity] ci: Harden GitHub Actions (#1191)

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

.github/workflows/quality-check.yml

@@ -69,7 +69,7 @@ jobs:
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v3
+        uses: github/codeql-action/init@8214744c546c1e5c8f03dde8fab3a7353211988d # v3.26.7
         with:
           languages: ${{ matrix.language }}
           build-mode: ${{ matrix.build-mode }}
@@ -83,6 +83,6 @@ jobs:
           ./flutterw build apk --profile -t lib/main_play.dart --flavor play
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v3
+        uses: github/codeql-action/analyze@8214744c546c1e5c8f03dde8fab3a7353211988d # v3.26.7
         with:
           category: "/language:${{matrix.language}}"