Correct the text domain for translation files (#88)

Signed-off-by: John Blackbourn <john@johnblackbourn.com>

.github/workflows/generate-pot-pr.yml

@@ -48,7 +48,7 @@ jobs:
 
       - name: Generate POT
         run: |
-          wp i18n make-pot . "./languages/${{ github.event.repository.name }}.pot" --headers='{"Report-Msgid-Bugs-To":"https://github.com/${{ github.event.repository.full_name }}/issues"}'
+          wp i18n make-pot . "./languages/fair.pot" --headers='{"Report-Msgid-Bugs-To":"https://github.com/${{ github.event.repository.full_name }}/issues"}'
 
       - name: Check if there are changes
         run: echo "CHANGES_DETECTED=$([[ -z $(git status --porcelain) ]] && echo "0" || echo "1")" >> $GITHUB_ENV
@@ -56,7 +56,7 @@ jobs:
       - name: Commit changes
         if: env.CHANGES_DETECTED == 1
         run: |
-          git add "./languages/${{ github.event.repository.name }}.pot"
+          git add "./languages/fair.pot"
           git commit -s -m "Generate POT - $(date +'%Y-%m-%d')"
           git push origin generate-pot