Fix workflow path filters for repository root structure

.gitea/workflows/test.yml

@@ -7,14 +7,20 @@ on:
       - production
       - develop
     paths:
-      - 'backend/**'
+      - '**/*.go'
+      - 'go.mod'
+      - 'go.sum'
+      - '.gitea/workflows/test.yml'
   pull_request:
     branches:
       - main
       - production
       - develop
     paths:
-      - 'backend/**'
+      - '**/*.go'
+      - 'go.mod'
+      - 'go.sum'
+      - '.gitea/workflows/test.yml'
 
 jobs:
   test:
@@ -34,23 +40,21 @@ jobs:
         uses: actions/cache@v4
         with:
           path: ~/go/pkg/mod
-          key: ${{ runner.os }}-go-${{ hashFiles('backend/go.sum') }}
+          key: ${{ runner.os }}-go-${{ hashFiles('go.sum') }}
           restore-keys: |
             ${{ runner.os }}-go-
 
       - name: Install dependencies
-        working-directory: backend
         run: go mod download
 
       - name: Run tests
-        working-directory: backend
         run: go test -v -race -coverprofile=coverage.out ./...
 
       - name: Upload coverage
         uses: codecov/codecov-action@v4
         if: always()
         with:
-          file: ./backend/coverage.out
+          file: ./coverage.out
           flags: backend
           name: backend-coverage
 
@@ -71,4 +75,3 @@ jobs:
         uses: golangci/golangci-lint-action@v4
         with:
           version: latest
-          working-directory: backend