ci: update versions in the build workflow (#37)

Author: reugn

.github/workflows/build.yml

@@ -13,10 +13,10 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go-version: [1.20.x, 1.22.x]
+        go-version: [1.20.x, 1.23.x]
     steps:
     - name: Setup Go
-      uses: actions/setup-go@v4
+      uses: actions/setup-go@v5
       with:
         go-version: ${{ matrix.go-version }}
 
@@ -28,4 +28,6 @@ jobs:
 
     - name: Upload coverage to Codecov
       if: ${{ matrix.go-version == '1.20.x' }}
-      run: bash <(curl -s https://codecov.io/bash)
+      uses: codecov/codecov-action@v4
+      with:
+        token: ${{ secrets.CODECOV_TOKEN }}