It is case-sensitive - valid windows archs are AMD64, ARM64 and x86

Author: HinTak

.github/workflows/ci.yml

@@ -26,7 +26,7 @@ jobs:
             arch: aarch64
             cp: "cp3{10,11,12,13}"
           - os: windows-11-arm
-            arch: aarch64
+            arch: ARM64
             cp: "cp3{10,11,12,13}"
 
     steps:
@@ -75,7 +75,7 @@ jobs:
             arch: aarch64
             cp: "cp3{8,9}"
           - os: windows-11-arm
-            arch: aarch64
+            arch: ARM64
             cp: "cp3{8,9}"
 
     steps: