Add codecov action

Signed-off-by: Sascha Grunert <sgrunert@suse.com>

.github/workflows/cli.yml

@@ -58,8 +58,9 @@ jobs:
           go run build.go gfmrun docs/v2/manual.md
           go run build.go toc docs/v2/manual.md
 
-      - name: Send Coverage Report
+      - name: Upload coverage to Codecov
         if: success() && matrix.go == 1.13 && matrix.os == 'ubuntu-latest'
-        env:
-          CODECOV_TOKEN: fa7ff1caed3c43c68ae994495a6469d8
-        run: bash <(curl -s https://codecov.io/bash)
+        uses: codecov/codecov-action@v1
+        with:
+          token: 0a8cc73b-bb7c-480b-8626-38a461643761
+          fail_ci_if_error: true

appveyor.yml

@@ -20,10 +20,9 @@ install:
   - go version
   - go env
   - go get github.com/urfave/gfmrun/cmd/gfmrun
-  - go get golang.org/x/tools/cmd/goimports
   - go mod tidy
 
 build_script:
   - go run build.go vet
   - go run build.go test
-  - go run build.go gfmrun docs/v1/manual.md
+  - go run build.go gfmrun docs/v1/manual.md