Bump bufbuild/buf-breaking-action from 1.1.3 to 1.1.4 (#841)

Author: dependabot[bot]

.github/workflows/buf.yaml

@@ -21,7 +21,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: bufbuild/buf-setup-action@v1
-      - uses: bufbuild/buf-breaking-action@v1.1.3
+      - uses: bufbuild/buf-breaking-action@v1.1.4
         with:
           input: proto
           against: 'buf.build/connectrpc/conformance'