chore(deps): update ghcr.io/buildkite/buildkite-mcp-server docker tag to v0.5.10

Author: renovate[bot]

registry/buildkite/spec.yaml

@@ -48,7 +48,7 @@ tags:
     - jobs
     - devops
     - testing
-image: ghcr.io/buildkite/buildkite-mcp-server:0.5.9
+image: ghcr.io/buildkite/buildkite-mcp-server:0.5.10
 permissions:
     network:
         outbound: