Bump com.gradleup.shadow from 8.3.6 to 9.2.2

Bumps [com.gradleup.shadow](https://github.com/GradleUp/shadow) from 8.3.6 to 9.2.2.
- [Release notes](https://github.com/GradleUp/shadow/releases)
- [Commits](GradleUp/shadow@8.3.6...9.2.2)

---
updated-dependencies:
- dependency-name: com.gradleup.shadow
  dependency-version: 9.2.2
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -14,5 +14,5 @@ thymeleaf = "org.thymeleaf:thymeleaf:3.1.3.RELEASE"
 
 [plugins]
 sass = { id = "io.miret.etienne.sass", version = "1.5.2" }
-shadow = { id = "com.gradleup.shadow", version = "8.3.6" }
+shadow = { id = "com.gradleup.shadow", version = "9.2.2" }
 spotless = { id = "com.diffplug.spotless", version = "7.2.1" }