fix: correct windows target arch variable in release workflow

Signed-off-by: The1111mp <The1111mp@outlook.com>

Author: 1111mp

.github/workflows/pre-release.yml

@@ -15,8 +15,7 @@ jobs:
         include:
           - os: windows-latest
             target: x86_64-pc-windows-msvc
-            platform:
-              arch: x64
+            arch: x64
           - os: windows-latest
             target: aarch64-pc-windows-msvc
             arch: arm64

.github/workflows/release.yml

@@ -15,8 +15,7 @@ jobs:
         include:
           - os: windows-latest
             target: x86_64-pc-windows-msvc
-            platform:
-              arch: x64
+            arch: x64
           - os: windows-latest
             target: aarch64-pc-windows-msvc
             arch: arm64