ci: add check if inno version and pubspec version match

.github/workflows/ci.yml

@@ -47,3 +47,31 @@ jobs:
       - name: Test
         working-directory: app
         run: flutter test
+
+  packaging:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Extract version from pubspec.yaml
+        id: pubspec_version
+        run: |
+          VERSION=$(grep '^version: ' app/pubspec.yaml | sed 's/version: //' | sed 's/\+.*//')
+          echo "Pubspec version is $VERSION"
+          echo "pubspec_version=$VERSION" >> $GITHUB_ENV
+
+      - name: Extract version from Inno Setup configuration
+        id: inno_version
+        run: |
+          VERSION=$(grep '#define MyAppVersion ' scripts/compile_windows_exe-inno.iss | sed 's/#define MyAppVersion "//' | sed 's/"//')
+          echo "Inno Setup version is $VERSION"
+          echo "inno_version=$VERSION" >> $GITHUB_ENV
+
+      - name: Compare pubspec and Inno Setup versions
+        run: |
+          if [ "$pubspec_version" != "$inno_version" ]; then
+            echo "Version mismatch detected!"
+            exit 1
+          else
+            echo "Versions match."
+          fi