Bump com.gradle.enterprise from 3.12.3 to 3.12.6

Bumps com.gradle.enterprise from 3.12.3 to 3.12.6.

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

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

settings.gradle

@@ -5,7 +5,7 @@ pluginManagement {
 }
 
 plugins {
-	id "com.gradle.enterprise" version "3.12.3"
+	id "com.gradle.enterprise" version "3.12.6"
 	id "io.spring.ge.conventions" version "0.0.7"
 }