SIENTIAPDE-1255: Update quality gate workflow: Remove redundant repository and disk space cleanup, update cache key.

.github/workflows/quality-gate.yml

@@ -164,7 +164,7 @@ jobs:
           app-id: ${{ secrets.APP_ID }}
           private-key: ${{ secrets.APP_PRIVATE_KEY }}
           owner: 'Aignosi'
-          repositories: 'sientia-dataops-library,sientia-mlops-library'
+          repositories: 'sientia-dataops-library'
 
       - name: Prepare requirements.txt
         id: prepare-requirements
@@ -180,18 +180,6 @@ jobs:
         run: |
           git config --global url."https://oauth2:${GH_APP_TOKEN}@github.com/".insteadOf "https://github.com/"
 
-      - name: 🧹 Free Disk Space
-        run: |
-          echo "Disk space before cleanup:"
-          df -h
-          sudo rm -rf /usr/share/dotnet
-          sudo rm -rf /usr/local/lib/android
-          sudo rm -rf /opt/ghc
-          sudo rm -rf /opt/hostedtoolcache/CodeQL
-          sudo docker image prune --all --force
-          echo "Disk space after cleanup:"
-          df -h
-
       - name: 🔧 Setup Python
         uses: actions/setup-python@v5
         with:
@@ -201,7 +189,7 @@ jobs:
         uses: actions/cache@v4
         with:
           path: ~/.cache/pip
-          key: ${{ runner.os }}-pip-${{ hashFiles('requirements.txt', 'requirements-dev.txt') }}
+          key: ${{ runner.os }}-pip-${{ hashFiles('requirements_prepared.txt', 'requirements-dev.txt') }}
           restore-keys: |
             ${{ runner.os }}-pip-