Bump net.bytebuddy:byte-buddy from 1.14.18 to 1.15.1

Bumps [net.bytebuddy:byte-buddy](https://github.com/raphw/byte-buddy) from 1.14.18 to 1.15.1.
- [Release notes](https://github.com/raphw/byte-buddy/releases)
- [Changelog](https://github.com/raphw/byte-buddy/blob/master/release-notes.md)
- [Commits](raphw/byte-buddy@byte-buddy-1.14.18...byte-buddy-1.15.1)

---
updated-dependencies:
- dependency-name: net.bytebuddy:byte-buddy
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

agent/build.gradle

@@ -6,7 +6,7 @@ plugins {
 }
 
 dependencies {
-    implementation("net.bytebuddy:byte-buddy:1.14.18")
+    implementation("net.bytebuddy:byte-buddy:1.15.1")
     // graphql-java itself
     implementation(rootProject)
 }