Bump the nebula-release plugin to 17.1.0

The nebula.netflixoss 10.6.0 plugin brings a version of the
nebula-reelase plugin that points to a version of grgit-core that is not
available in Maven Central anymore.

```
A problem occurred configuring root project 'dgs-framework'.
> Could not resolve all files for configuration ':classpath'.
   > Could not find org.ajoberstar.grgit:grgit-core:4.0.2.
     Searched in the following locations:
       - https://repo.maven.apache.org/maven2/org/ajoberstar/grgit/grgit-core/4.0.2/grgit-core-4.0.2.pom
       - https://plugins.gradle.org/m2/org/ajoberstar/grgit/grgit-core/4.0.2/grgit-core-4.0.2.pom
```

build.gradle.kts

@@ -27,6 +27,7 @@ group = "com.netflix.graphql.dgs"
 plugins {
     `java-library`
     id("nebula.dependency-recommender") version "11.0.0"
+    id("nebula.release") version "17.1.0"
     id("nebula.netflixoss") version "10.6.0"
     id("org.jmailen.kotlinter") version "3.11.1"
     id("me.champeau.jmh") version "0.6.6"