Fix install_extension

.github/actions/install_extension/action.yml

@@ -6,7 +6,14 @@ runs:
   using: composite
   steps:
   - name: Expose $PG_MAJOR to Github Env
-    run: echo "PG_MAJOR=${{ inputs.pg_major || env.PG_MAJOR }}" >> $GITHUB_ENV
+    run: |-
+      if [ -z "${{ inputs.pg_major }}"]; then
+        echo "PG_MAJOR=${{ inputs.pg_major}}" >> $GITHUB_ENV
+      else
+        echo "PG_MAJOR=${{ env.PG_MAJOR }}" >> $GITHUB_ENV
+      fi
+      echo "inputs.pg_major : ${{ inputs.pg_major }}"
+      echo "env.pg_major : ${{ env.PG_MAJOR }}"
     shell: bash
   - uses: actions/download-artifact@v3.0.1
     with:

.github/workflows/build_and_test.yml

@@ -397,7 +397,6 @@ jobs:
   test-flakyness-pre:
     name: Detect regression tests need to be ran
     runs-on: ubuntu-latest
-    needs: build
     outputs:
       tests: ${{ steps.detect-regression-tests.outputs.tests }}
     steps: