Disable Buf format checks

We want to keep the protobuf definitions as close to upstream's as
possible to simplify merging changes. Since upstream's schemas don't
match Buf formatting rules, we should disable them to prevent unhelpful
CI failures.

Author: lberrymage

.github/workflows/buf.yaml

@@ -21,4 +21,5 @@ jobs:
       - uses: actions/checkout@v4
       - uses: bufbuild/buf-action@v1
         with:
+          format: false
           token: ${{ secrets.BUF_TOKEN }}