Bump docker/setup-buildx-action from 3.11.1 to 3.12.0 (#284)

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/app-build-verify.yml

@@ -296,7 +296,7 @@ jobs:
         startsWith(inputs.runner-os, 'ubuntu')
         && contains(fromJSON('["", "Linux"]'), inputs.target-platform)
         && contains(fromJSON('["", "system", "appimage"]'), inputs.target-format)
-      uses: docker/setup-buildx-action@v3.11.1
+      uses: docker/setup-buildx-action@v3.12.0
 
     - name: Docker Caching Configuration
       id: docker