ci: pin Windows release job to windows-2022 (VS 2022)

GitHub's windows-latest image rolled forward to Visual Studio 18 (2026,
MSVC 14.51), which the pinned `cmake` 0.1.54 crate doesn't recognize. The
whisper-rs-sys cmake build of whisper.cpp then panics ("Visual studio version
detected but this crate doesn't know how to generate cmake files for it"),
failing the Windows release job.

Pin to windows-2022 (VS 2022), the known-good environment past Windows releases
built on; updated the two `if: matrix.platform` guards to match. Revisit
windows-latest once the cmake crate gains VS 18 support.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: JSKitty

.github/workflows/publish.yaml

@@ -21,7 +21,7 @@ jobs:
             args: '--target x86_64-apple-darwin'
           - platform: 'ubuntu-22.04'
             args: ''
-          - platform: 'windows-latest'
+          - platform: 'windows-2022'
             args: ''
 
     runs-on: ${{ matrix.platform }}
@@ -51,7 +51,7 @@ jobs:
           sudo apt-get install -y vulkan-sdk
 
       - name: Install Vulkan SDK and OpenSSL (Windows)
-        if: matrix.platform == 'windows-latest'
+        if: matrix.platform == 'windows-2022'
         run: |
           Write-Host "Installing Vulkan components..."
 
@@ -85,7 +85,7 @@ jobs:
           & "$vcpkgBin\glslc.exe" --version
 
       - name: Shorten cargo target dir (Windows)
-        if: matrix.platform == 'windows-latest'
+        if: matrix.platform == 'windows-2022'
         shell: pwsh
         run: echo "CARGO_TARGET_DIR=C:\cargo-target" >> $env:GITHUB_ENV