Use -qE for | to work

Author: imnasnainaec

.github/workflows/installer.yml

@@ -102,7 +102,7 @@ jobs:
       - name: Detect changes to installer README
         id: changed-readme
         run: |
-          if git diff --name-only HEAD~1.. | grep -q "^installer/README.md$|^deploy/scripts/.*install-combine.*$"; then
+          if git diff --name-only HEAD~1.. | grep -qE "^installer/README.md$|^deploy/scripts/.*install-combine.*$"; then
             echo "changed=true" >> $GITHUB_OUTPUT
           else
             echo "changed=false" >> $GITHUB_OUTPUT