update workflows

Author: vpuri3

.github/workflows/CI.yml

@@ -2,18 +2,26 @@ name: CI
 on:
   pull_request:
     branches:
-      - master
+      - main
   push:
     branches:
-      - master
+      - main
 jobs:
   test:
     runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        version:
+          - '1'
+          - '~1.6' # Current LTS
+          - '*' # Latest Release
+          - '^1.9.0-0'
     steps:
       - uses: actions/checkout@v2
       - uses: julia-actions/setup-julia@v1
         with:
-          version: 1
+          version: ${{ matrix.version }}
       - uses: actions/cache@v1
         env:
           cache-name: cache-artifacts
@@ -26,7 +34,11 @@ jobs:
             ${{ runner.os }}-
       - uses: julia-actions/julia-buildpkg@v1
       - uses: julia-actions/julia-runtest@v1
+        env:
+          GROUP: ${{ matrix.group }}
       - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v1
         with:
-          file: lcov.info
+          directories: src,ext
+      - uses: codecov/codecov-action@v3
+        with:
+          files: lcov.info