Fix CI pipeline.

Author: maleadt

.github/workflows/Test.yml

@@ -19,34 +19,61 @@ jobs:
       fail-fast: false
       matrix:
         version: ['1.10', '1.11', '1.12-nightly', 'nightly']
-        os: [ubuntu-latest, macOS-latest, windows-latest]
-        arch: [x64]
+        os: [ubuntu-24.04, ubuntu-24.04-arm, macOS-15, macOS-15-intel, windows-2025]
+        arch: [x64, arm64]
         llvm_args: ['']
         include:
+          # unsupported combinations
+          - os: ubuntu-24.04
+            arch: arm64
+          - os: windows-2025
+            arch: arm64
+          - os: ubuntu-24.04-arm
+            arch: x64
+          - os: macOS-15
+            arch: x64
+          - os: macOS-15-intel
+            arch: arm64
           # starting with Julia 1.10, we can enable opaque pointers
           # from Julia 1.12 on, this is the default.
           - version: '1.10'
-            os: 'ubuntu-latest'
+            os: 'ubuntu-24.04'
             arch: 'x64'
             llvm_args: '--opaque-pointers'
           - version: '1.10'
-            os: 'macOS-latest'
+            os: 'ubuntu-24.04-arm'
+            arch: 'arm64'
+            llvm_args: '--opaque-pointers'
+          - version: '1.10'
+            os: 'macOS-15'
+            arch: 'arm64'
+            llvm_args: '--opaque-pointers'
+          - version: '1.10'
+            os: 'macOS-15-intel'
             arch: 'x64'
             llvm_args: '--opaque-pointers'
           - version: '1.10'
-            os: 'windows-latest'
+            os: 'windows-2025'
             arch: 'x64'
             llvm_args: '--opaque-pointers'
           - version: '1.11'
-            os: 'ubuntu-latest'
+            os: 'ubuntu-24.04'
             arch: 'x64'
             llvm_args: '--opaque-pointers'
           - version: '1.11'
-            os: 'macOS-latest'
+            os: 'ubuntu-24.04-arm'
+            arch: 'arm64'
+            llvm_args: '--opaque-pointers'
+          - version: '1.11'
+            os: 'macOS-15'
+            arch: 'arm64'
+            llvm_args: '--opaque-pointers'
+          - version: '1.11'
+            os: 'macOS-15-intel'
             arch: 'x64'
             llvm_args: '--opaque-pointers'
           - version: '1.11'
-            os: 'windows-latest'
+            os: 'windows-2025'
             arch: 'x64'
             llvm_args: '--opaque-pointers'
     steps:
@@ -85,7 +112,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest]
+        os: [ubuntu-24.04]
         arch: [x64]
         llvm_args: ['', '--opaque-pointers']
         include: