Ensure gettext is available in the build environment.

Author: freakboy3742

.github/workflows/ci.yml

@@ -25,6 +25,8 @@ jobs:
           pip install --upgrade setuptools wheel
           pip install -r requirements.txt
           lektor plugins reinstall
+          sudo apt update -y
+          sudo apt install -y --no-install-recommends gettext
       - name: Clean
         run : |
           lektor clean -O output --yes

.github/workflows/publish.yml

@@ -17,11 +17,13 @@ jobs:
     - name: Install dependencies
       run: |
         pip install --upgrade pip
-        pip install --upgrade setuptools
+        pip install --upgrade setuptools wheel
         pip install -r requirements.txt
+        lektor plugins reinstall
+        sudo apt update -y
+        sudo apt install -y --no-install-recommends gettext
     - name: Build site
       run: |
-        lektor plugins reinstall
         lektor build --no-prune
     - name: Publish site
       env: