build(deps): bump io.vertx:vertx-grpc from 4.4.3 to 4.4.4

Bumps io.vertx:vertx-grpc from 4.4.3 to 4.4.4.

---
updated-dependencies:
- dependency-name: io.vertx:vertx-grpc
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

gradle/libs.versions.toml

@@ -14,7 +14,7 @@ commonsIo = "2.13.0"
 commonCompress = "1.23.0"
 autoService = "1.1.1"
 errorprone = "2.20.0"
-vertx = "4.4.3"
+vertx = "4.4.4"
 picocli = "4.7.4"
 
 versionsPlugin = "0.47.0"