[CONFIG] [Github Actions] sonarcloud "security issues" fixed.

Author: Gonzalo Diaz

.github/workflows/gitleaks.yml

@@ -1,5 +1,4 @@
 ---
-
 name: gitleaks
 
 on: # yamllint disable-line rule:truthy
@@ -22,10 +21,10 @@ jobs:
     name: gitleaks
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
         with:
           fetch-depth: 0
-      - uses: gitleaks/gitleaks-action@v2
+      - uses: gitleaks/gitleaks-action@ff98106e4c7b2bc287b24eaf42907196329070c7
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           # Only required for Organizations, not personal accounts.