Bump com.gradleup.shadow from 9.0.0-beta17 to 9.0.0-rc1

Bumps [com.gradleup.shadow](https://github.com/GradleUp/shadow) from 9.0.0-beta17 to 9.0.0-rc1.
- [Release notes](https://github.com/GradleUp/shadow/releases)
- [Commits](GradleUp/shadow@9.0.0-beta17...9.0.0-rc1)

---
updated-dependencies:
- dependency-name: com.gradleup.shadow
  dependency-version: 9.0.0-rc1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

build.gradle.kts

@@ -1,5 +1,5 @@
 plugins {
-    id("com.gradleup.shadow") version "9.0.0-beta17"
+    id("com.gradleup.shadow") version "9.0.0-rc1"
     id("com.github.breadmoirai.github-release") version "2.5.2"
     id("com.palantir.git-version") version "4.0.0"
     id("java")