test(ci): upgrade macOS runner to M1 & macOS 14

This is a beta, we are currently on `macos-12`

https://github.blog/changelog/2024-01-30-github-actions-introducing-the-new-m1-macos-runner-available-to-open-source/

> The macos-latest workflow label currently uses the macOS 12 runner image.
> `macos-14` [beta]

https://docs.github.com/en/actions/using-github-hosted-runners/about-github-hosted-runners/about-github-hosted-runners#standard-github-hosted-runners-for-public-repositories

This reduces the available RAM from 14 to 7GB

.github/workflows/tests_emulator.yml

@@ -21,6 +21,7 @@ concurrency:
 jobs:
   emulator_test:
     name: Android Emulator Test
+    # macos-14 is blocked on https://github.com/ReactiveCircus/android-emulator-runner/issues/350
     runs-on: macos-latest
     timeout-minutes: 75
     strategy:

.github/workflows/tests_unit.yml

@@ -25,7 +25,9 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
+        # https://docs.github.com/en/actions/using-github-hosted-runners/about-github-hosted-runners/about-github-hosted-runners#supported-runners-and-hardware-resources
+        # macOS 14 is in beta and runs on Apple Silicon [M1]
+        os: [ubuntu-latest, macos-14, windows-latest]
     runs-on: ${{ matrix.os }}
     #env:
     #  CODACY_TOKEN: ${{ secrets.CODACY_TOKEN }}