CI: Pin win32-ia32 Node.js 22 version

There seems to be an Error message string corruption problem in
the latest 22.21.1.

Author: lovell

.github/workflows/ci.yml

@@ -119,7 +119,7 @@ jobs:
             package: true
           - os: windows-2022
             nodejs_arch: x86
-            nodejs_version: "^22"
+            nodejs_version: "22.21.0"
             nodejs_version_major: 22
             platform: win32-ia32
           - os: windows-2022