ci: experimental macos

The MacOS GH default runners are now
arm64 which is not yet supported by
some of the actions. Mark these
jobs as experimental for now until
the CI is stable again.

Change-Id: I4c4204d4f97627fe0eca045d3244499365054090

.github/workflows/ci.yml

@@ -58,6 +58,7 @@ jobs:
 
   go-tests:
     name: Go ${{ matrix.go }} tests ${{ matrix.os }}
+    continue-on-error: ${{ matrix.experimental }}
     strategy:
       fail-fast: false
       matrix:
@@ -75,9 +76,11 @@ jobs:
             "1.20",
           ]
         os: [ubuntu-latest]
+        experimental: [false]
         include:
           - go: "1.13"
             os: macos-latest
+            experimental: true
     runs-on: ${{ matrix.os }}
 
     steps:
@@ -106,14 +109,17 @@ jobs:
 
   python-tests:
     name: Python ${{ matrix.python }} tests ${{ matrix.os }}
+    continue-on-error: ${{ matrix.experimental }}
     strategy:
       fail-fast: false
       matrix:
         python: ["3.7", "3.8", "3.9"]
         os: [ubuntu-latest]
+        experimental: [false]
         include:
           - python: "3.7"
             os: macos-latest
+            experimental: true
           - python: "3.6"
             os: ubuntu-20.04
     runs-on: ${{ matrix.os }}