(CI/update-locale) fix script to run on documentation changes

Author: cvvergara

.github/workflows/update-locale.yml

@@ -8,8 +8,12 @@ name: Update Locale
 on:
   workflow_dispatch:
   push:
-    branches:
-      - 'develop'
+    paths:
+      - '.github/workflows/update-locale.yml'
+      - 'doc/**'
+
+    branches-ignore:
+      - 'gh-pages'
 
 permissions:
   contents: read
@@ -20,7 +24,6 @@ jobs:
       contents: write  # for Git to git push
     name: Update Locale
     runs-on: ubuntu-latest
-    if: ${{ github.repository_owner == 'pgRouting' }}
 
     strategy:
         fail-fast: false