revert /pull/953

* installing Python dependencies on runner breaks other dependencies (e.g. AWS-CLI)
* run steps on Linux/amd64 until actions/setup-python#705 is resolved

change-type: patch

flowzone.yml

@@ -3184,7 +3184,8 @@ jobs:
 
   cloudformation_test:
     name: Test CloudFormation
-    runs-on: ${{ fromJSON(inputs.cloudformation_runs_on || inputs.runs_on) }}
+    # FIXME: https://github.com/actions/setup-python/issues/705
+    runs-on: ["Linux", "X64"] #${{ fromJSON(inputs.cloudformation_runs_on || inputs.runs_on) }}
     strategy:
       fail-fast: true
       matrix:
@@ -3284,9 +3285,15 @@ jobs:
 
           echo "caps=${caps}" >> $GITHUB_OUTPUT
 
+      - <<: *setupPython
+        with:
+          cache: 'pip' # caching pip dependencies
+          python-version: 3.11
+
       - name: Install cfn-lint
         run: |
-          python3 -m pip install cfn-lint==0.83.7
+          python -m pip install --upgrade pip
+          python -m pip install cfn-lint==0.83.7
 
       - name: Lint template
         run: |