adding codecov token + improving GitHub jobs names

.github/workflows/continuous-delivery-workflow.yml

@@ -6,7 +6,7 @@ on:
 
 jobs:
   publish:
-    name: Publish
+    name: Publish to Docker Hub
     runs-on: ubuntu-18.04
     steps:
       - uses: actions/checkout@v1

.github/workflows/continuous-integration-workflow.yml

@@ -3,10 +3,10 @@ on: [push, pull_request]
 
 jobs:
   tests:
-    name: Tests
+    name: Lint, tests and code coverage
     runs-on: ubuntu-18.04
     steps:
       - uses: actions/checkout@v1
       - run: make lint
       - run: make tests CODE_COVERAGE=1
-      - run: bash <(curl -s https://codecov.io/bash)
+      - run: bash <(curl -s https://codecov.io/bash) -t ${{ secrets.CODECOV_TOKEN }}