build(deps): bump go.etcd.io/etcd/client/v3 from 3.6.6 to 3.6.7 (#8257)

Bumps [go.etcd.io/etcd/client/v3](https://github.com/etcd-io/etcd) from 3.6.6 to 3.6.7.
- [Release notes](https://github.com/etcd-io/etcd/releases)
- [Commits](https://github.com/etcd-io/etcd/compare/v3.6.6...v3.6.7)

---
updated-dependencies:
- dependency-name: go.etcd.io/etcd/client/v3
  dependency-version: 3.6.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

go.mod

@@ -86,7 +86,7 @@ require (
 	github.com/xdg-go/scram v1.1.2 // indirect
 	github.com/xdg-go/stringprep v1.0.4 // indirect
 	github.com/youmark/pkcs8 v0.0.0-20240726163527-a2c0da244d78 // indirect
-	go.etcd.io/etcd/client/v3 v3.6.6
+	go.etcd.io/etcd/client/v3 v3.6.7
 	go.mongodb.org/mongo-driver v1.17.6
 	go.opencensus.io v0.24.0 // indirect
 	gocloud.dev v0.44.0
@@ -492,7 +492,7 @@ require (
 	github.com/zeebo/blake3 v0.2.4 // indirect
 	github.com/zeebo/errs v1.4.0 // indirect
 	go.etcd.io/bbolt v1.4.3 // indirect
-	go.etcd.io/etcd/api/v3 v3.6.6 // indirect
+	go.etcd.io/etcd/api/v3 v3.6.7 // indirect
 	go.opentelemetry.io/auto/sdk v1.2.1 // indirect
 	go.opentelemetry.io/contrib/detectors/gcp v1.38.0 // indirect
 	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.63.0 // indirect