Use Windows arm64 hosted runners for jit

Author: hugovk

.github/actionlint.yaml

@@ -1,5 +1,6 @@
 self-hosted-runner:
-  labels: ["windows-aarch64"]
+  # Pending https://github.com/rhysd/actionlint/issues/533
+  labels: ["windows-11-arm"]
 
 config-variables: null
 

.github/workflows/jit.yml

@@ -74,8 +74,7 @@ jobs:
             runner: windows-latest
           - target: aarch64-pc-windows-msvc/msvc
             architecture: ARM64
-            # Forks don't have access to Windows on Arm runners. These jobs are skipped below:
-            runner: ${{ github.repository_owner == 'python' && 'windows-aarch64' || 'windows-latest' }}
+            runner: windows-11-arm
           - target: x86_64-apple-darwin/clang
             architecture: x86_64
             runner: macos-13
@@ -98,7 +97,7 @@ jobs:
 
       - name: Windows
         # Forks don't have access to Windows on Arm runners. Skip those:
-        if: runner.os == 'Windows' && (matrix.architecture != 'ARM64' || github.repository_owner == 'python')
+        if: runner.os == 'Windows'
         run: |
           choco install llvm --allow-downgrade --no-progress --version ${{ matrix.llvm }}.1.0
           ./PCbuild/build.bat --experimental-jit ${{ matrix.debug && '-d' || '' }} -p ${{ matrix.architecture }}