SIANXSVC-1214: Replace codecov with codeclimate

Unfortunately, the badge URL contains the ID of the project which does
not seem to be publicly available. So, as of right now, the badge in the
README would not work and therefore got removed.

.github/workflows/test.yml

@@ -39,5 +39,7 @@ jobs:
         run: go vet ./...
       - name: Run Go test
         run: go test -v -race -coverprofile=coverage.txt -covermode=atomic ./...
-      - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v3
+      - name: Upload coverage to Codeclimate
+        uses: paambaati/codeclimate-action@v5
+        with:
+          coverageLocations: ["coverage.txt:gocov"]

README.md

@@ -3,7 +3,6 @@ go-e5e
 
 [![PkgGoDev](https://pkg.go.dev/badge/go.anx.io/e5e/v2)](https://pkg.go.dev/go.anx.io/e5e/v2)
 [![Build Status](https://github.com/anexia/go-e5e/actions/workflows/test.yml/badge.svg?branch=main&event=push)](https://github.com/anexia/go-e5e/actions/?query=workflow%3Atest)
-[![codecov](https://codecov.io/gh/anexia/go-e5e/branch/main/graph/badge.svg)](https://codecov.io/gh/anexia/go-e5e)
 [![Go Report Card](https://goreportcard.com/badge/go.anx.io/e5e/v2)](https://goreportcard.com/report/go.anx.io/e5e/v2)
 
 go-e5e is a support library to help Go developers build Anexia e5e functions.