fix(ci): resolve matrix.shell expression error in release workflow

Author: AEndrix03

.github/workflows/release.yml

@@ -34,7 +34,7 @@ jobs:
             shell: bash
           - runner: windows-latest
             platform: windows-x86_64
-            shell: msys2
+            shell: "msys2 {0}"
 
     steps:
       - uses: actions/checkout@v4
@@ -86,7 +86,7 @@ jobs:
             mingw-w64-x86_64-curl
 
       - name: Build graft
-        shell: ${{ matrix.shell == 'msys2' && 'msys2 {0}' || 'bash' }}
+        shell: ${{ matrix.shell }}
         run: |
           set -euo pipefail
           rpath='$ORIGIN'
@@ -109,7 +109,7 @@ jobs:
           cmake --build build --parallel
 
       - name: Package release asset
-        shell: ${{ matrix.shell == 'msys2' && 'msys2 {0}' || 'bash' }}
+        shell: ${{ matrix.shell }}
         run: bash scripts/package-release.sh "${{ matrix.platform }}"
 
       - uses: actions/upload-artifact@v4