Implemented Github action to automatically generate mo files

.github/workflows/auto-updates.yaml

@@ -0,0 +1,57 @@
+name: Update translations
+on:
+  push:
+    branches:
+      - main
+    paths-ignore:
+      - po/*
+      - README.md
+      - wsl-pro-service/debian/control
+
+jobs:
+  update-po:
+    name: Update po files
+    runs-on: ubuntu-latest
+    env:
+      modified: false
+    steps:
+      - name: Install dependencies
+        run: |
+          sudo DEBIAN_FRONTEND=noninteractive apt update
+          sudo DEBIAN_FRONTEND=noninteractive apt install -y gettext
+      - uses: actions/checkout@v3
+        name: Check out repo
+        with:
+          ref: main
+      - uses: actions/setup-go@v4
+        with:
+          go-version-file: common/go.mod
+      - name: Check po files
+        id: checkpo
+        run: |
+          set -eu
+
+          hasModif="false"
+
+          go generate common/i18n/i18n.go
+
+          # Exclude line diffs only
+          MODIFIED=$(git difftool -y -x "diff -Nup -I '^#: '" po/)
+          if [ -n "$MODIFIED" ]; then
+            hasModif="true"
+          fi
+          echo "modified=${hasModif}" >> $GITHUB_ENV
+      - name: Create Pull Request
+        if: ${{ env.modified == 'true' }}
+        uses: peter-evans/create-pull-request@v4
+        with:
+          commit-message: Auto update po files
+          title: Auto update po files
+          labels: po, automated pr
+          body: "[Auto-generated pull request](https://github.com/canonical/ubuntu-pro-for-windows/actions/workflows/auto-updates.yaml) by GitHub Action"
+          branch: auto-update/po
+          token: ${{ secrets.GITHUB_TOKEN }}
+      - name: Push branch
+        if: ${{ env.modified == 'true' }}
+        run: |
+          git push origin auto-update/po:main