tics: Fixes TICS nightly job

.github/workflows/cron-jobs.yaml

@@ -3,6 +3,7 @@ name: Security and quality nightly scan
 on:
   schedule:
     - cron: '0 10 * * *'
+  pull_request:
 
 permissions:
   contents: read
@@ -22,6 +23,11 @@ jobs:
       - name: Checking out repo
         uses: actions/checkout@v4
 
+      - name: Install Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
+
       - name: Install Go
         uses: actions/setup-go@v5
         with:
@@ -33,8 +39,16 @@ jobs:
 
           set -x
 
+          # We don't have any unit tests for this project, but TICS expects this folder to exist.
+          mkdir -p cover
+
           # Install the TICS and staticcheck
           go install honnef.co/go/tools/cmd/[email protected]
           . <(curl --silent --show-error 'https://canonical.tiobe.com/tiobeweb/TICS/api/public/v1/fapi/installtics/Script?cfg=default&platform=linux&url=https://canonical.tiobe.com/tiobeweb/TICS/')
 
+          # pylint and flake8 are required by TICSQServer
+          # pylint requires the packages to be installed.
+          pip install pylint flake8
+          pip install -r requirements.txt -r tests/requirements-dev.txt -r tests/requirements-test.txt
+
           TICSQServer -project  ${{ github.event.repository.name }} -tmpdir /tmp/tics -branchdir "$GITHUB_WORKSPACE"