start testing on macos as well

Signed-off-by: karthik2804 <karthik.ganeshram@fermyon.com>

Author: karthik2804

.github/workflows/main.yml

@@ -144,6 +144,7 @@ jobs:
         os:
           - ubuntu-latest
           - windows-latest
+          - macos-latest
         build-type:
           - 'release'
           - 'debug'