Install gettext utilities in GitHub Actions.

Author: veelo

.github/workflows/d.yml

@@ -22,6 +22,11 @@ jobs:
     - uses: actions/checkout@v4
     - uses: dlang-community/setup-dlang@4c99aa991ce7d19dd3064de0a4f2f6b2f152e2d7
 
+    - name: 'Install gettext'
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y gettext
+        
     - name: 'Build & Test'
       run: |
         # Build the project, with its main file included, without unittests