Merge pull request #5039 from DataDog/update-macos-images-to-macos-15

Update macos images for Github Actions to use macos-15

Author: y9v

.github/workflows/check.yml

@@ -142,7 +142,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Run actionlint
-        uses: docker://rhysd/actionlint:1.7.7
+        uses: docker://rhysd/actionlint:1.7.8
         with:
           args: -color
 

.github/workflows/nix.yml

@@ -17,12 +17,9 @@ jobs:
       fail-fast: false
       matrix:
         platform:
-          - os: darwin
-            cpu: x86_64
-            base: macos-13 # always x86_64-darwin
           - os: darwin
             cpu: arm64
-            base: macos-14 # always arm64-darwin
+            base: macos-15 # always arm64-darwin
           - os: linux
             cpu: x86_64
             base: ubuntu-24.04 # always x86_64-linux-gnu

.github/workflows/test-macos.yaml

@@ -17,11 +17,8 @@ jobs:
       fail-fast: false
       matrix:
         os:
-          - macos-13
+          - macos-15
         ruby:
-          - '2.5'
-          - '2.6'
-          - '2.7'
           - '3.0'
           - '3.1'
           - '3.2'