build(deps): bump com.gradle.enterprise from 3.14.1 to 3.15.1

Bumps com.gradle.enterprise from 3.14.1 to 3.15.1.

---
updated-dependencies:
- dependency-name: com.gradle.enterprise
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

settings.gradle

@@ -1,5 +1,5 @@
 plugins {
-    id "com.gradle.enterprise" version "3.14.1"
+    id "com.gradle.enterprise" version "3.15.1"
 }
 
 rootProject.name="btcproxyd"