chore: Drop macos-15

.github/actions/test-blueprint/action.yml

@@ -20,7 +20,7 @@ description: Runs Motoko tests using nix and cachix
 inputs:
   os:
     required: true
-    description: "OS to run tests on (ubuntu-latest, macos-15-intel, ubuntu-24.04-arm, macos-latest)"
+    description: "OS to run tests on (ubuntu-latest, ubuntu-24.04-arm, macos-latest)"
   test-target:
     required: true
     description: "The test target to run (e.g. common-tests, gc-tests, release-systems-go, debug-systems-go)"

.github/workflows/build.yml

@@ -10,7 +10,7 @@ jobs:
   build:
     strategy:
       matrix:
-        os: [ ubuntu-latest, macos-15-intel, ubuntu-24.04-arm, macos-latest ]
+        os: [ ubuntu-latest, ubuntu-24.04-arm, macos-latest ]
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v6

.github/workflows/release.yml

@@ -16,6 +16,11 @@ on:
         default: test-draft-release
         type: string
 
+permissions:
+  contents: write
+  issues: write
+  pull-requests: write
+
 jobs:
   prepare:
     runs-on: ubuntu-latest
@@ -77,7 +82,7 @@ jobs:
     needs: prepare
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-15-intel, ubuntu-24.04-arm, macos-latest]
+        os: [ubuntu-latest, ubuntu-24.04-arm, macos-latest]
     concurrency:
       group: release-build-${{ matrix.os }}-${{ github.ref_name }}
       cancel-in-progress: true
@@ -157,7 +162,7 @@ jobs:
       - name: Upload Release Assets
         uses: svenstaro/upload-release-action@v2
         with:
-          repo_token: ${{ secrets.GITHUB_TOKEN }}
+          repo_token: ${{ github.token }}
           tag: ${{ github.event_name == 'workflow_dispatch' && steps.rewrite_draft_assets.outputs.tag || github.ref_name }}
           file: release-assets/*
           file_glob: true

flake.nix

@@ -245,7 +245,6 @@
         # Platform-specific release files.
         release-files-ubuntu-latest = import ./nix/release-files-ubuntu-latest.nix { inherit self pkgs; };
         "release-files-ubuntu-24.04-arm" = import ./nix/release-files-ubuntu-24.04-arm.nix { inherit self pkgs; };
-        release-files-macos-15-intel = import ./nix/release-files-macos-15-intel.nix { inherit self pkgs; };
         release-files-macos-latest = import ./nix/release-files-macos-latest.nix { inherit self pkgs; };
 
         # Common tests version - includes non-GC, non-release/debug specific tests.