Multiple tweaks to the CI configuration (#14)

* Add GHA badge to README, delete Travis badge, delete REQUIRE file

* Delete REQUIRE

* Update ci.yml

* Update README.md

Author: DilumAluthge

.github/workflows/ci.yml

@@ -1,6 +1,9 @@
 name: CI
 on:
-  - pull_request
+  pull_request:
+  push:
+    branches:
+      - master
 jobs:
   test:
     name: Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }} - ${{ github.event_name }}
@@ -12,6 +15,7 @@ jobs:
           - '1.0'
           - '1.4'
           - '1.5'
+          - '1' # automatically expands to the latest stable 1.x release of Julia
           - 'nightly'
         os:
           - ubuntu-latest
@@ -37,3 +41,7 @@ jobs:
             ${{ runner.os }}-
       - uses: julia-actions/julia-buildpkg@latest
       - uses: julia-actions/julia-runtest@latest
+      - uses: julia-actions/julia-processcoverage@v1
+      - uses: codecov/codecov-action@v1
+        with:
+          file: lcov.info

README.md

@@ -1,6 +1,7 @@
 # KeywordDispatch.jl
 
-[![Build Status](https://travis-ci.org/simonbyrne/KeywordDispatch.jl.svg?branch=master)](https://travis-ci.org/simonbyrne/KeywordDispatch.jl)
+[![Build Status](https://github.com/simonbyrne/KeywordDispatch.jl/workflows/CI/badge.svg?branch=master)](https://github.com/simonbyrne/KeywordDispatch.jl/actions?query=workflow%3ACI)
+[![Code Coverage](https://codecov.io/gh/simonbyrne/KeywordDispatch.jl/branch/master/graph/badge.svg)](https://codecov.io/gh/simonbyrne/KeywordDispatch.jl)
 
 Dispatch on keyword arguments. It exports 2 macros:
  - `@kwdispatch` designates a function signature to use for keyword dispatch