Merge pull request #1188 from AkihiroSuda/fix-macos-10-15

CI: remove catalina (macOS 10.15)

Author: AkihiroSuda

.github/workflows/test.yml

@@ -145,23 +145,6 @@ jobs:
     # GHA macOS is slow and flaky, so we only test a few YAMLS here.
     # Other yamls are tested on Linux instances of Cirrus.
 
-  catalina:
-    name: "macOS 10.15 (deprecated)"
-    # Will be fully unsupported by 12/1/22 https://github.com/actions/runner-images/issues/5583
-    runs-on: macos-10.15
-    timeout-minutes: 20
-    steps:
-    - uses: actions/setup-go@v3
-      with:
-        go-version: 1.19.x
-    - uses: actions/checkout@v3
-      with:
-        fetch-depth: 1
-    - name: Make
-      run: make
-    - name: Install
-      run: make install
-
   vmnet:
     name: "VMNet test"
     runs-on: macos-11