build(deps): bump org.hiero.gradle.build from 0.6.2 to 0.6.3

Bumps org.hiero.gradle.build from 0.6.2 to 0.6.3.

---
updated-dependencies:
- dependency-name: org.hiero.gradle.build
  dependency-version: 0.6.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

settings.gradle.kts

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: Apache-2.0
 plugins {
-    id("org.hiero.gradle.build") version "0.6.2"
+    id("org.hiero.gradle.build") version "0.6.3"
     id("com.hedera.pbj.pbj-compiler") version "0.12.10" apply false
 }