Upgrade GitHub action tool chain version (#77)

.github/workflows/go.yml

@@ -11,13 +11,13 @@ jobs:
     steps:
 
     - name: Set up Go
-      uses: actions/setup-go@v3
+      uses: actions/setup-go@v5
       with:
         go-version: ${{ matrix.go-version }}
       id: go
 
     - name: Check out code into the Go module directory
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Get dependencies
       run: |
@@ -26,18 +26,18 @@ jobs:
       run: go build -v .
 
     - name: Checkout test XSD
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         repository: xuri/xsd
         path: data
 
     - name: Test
-      run: go test -v -timeout 60m -coverprofile=coverage.txt -covermode=atomic ./
+      run: go test -v -timeout 60m -coverprofile='coverage.txt' -covermode=atomic ./
 
     - name: Codecov
-      uses: codecov/codecov-action@v3
+      uses: codecov/codecov-action@v4
       with:
-        token: ${{secrets.CODECOV_TOKEN}}
+        token: ${{ secrets.CODECOV_TOKEN }}
         file: coverage.txt
         flags: unittests
         name: codecov-umbrella