build(deps): bump org.kohsuke:github-api from 1.317 to 1.318

Bumps [org.kohsuke:github-api](https://github.com/hub4j/github-api) from 1.317 to 1.318.
- [Release notes](https://github.com/hub4j/github-api/releases)
- [Changelog](https://github.com/hub4j/github-api/blob/main/CHANGELOG.md)
- [Commits](hub4j/github-api@github-api-1.317...github-api-1.318)

---
updated-dependencies:
- dependency-name: org.kohsuke:github-api
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

server/build.gradle.kts

@@ -61,7 +61,7 @@ dependencies {
     implementation("org.jetbrains.exposed:exposed-jdbc:$exposed_version")
     implementation("org.jetbrains.exposed:exposed-java-time:$exposed_version")
     implementation("org.postgresql:postgresql:42.5.3")
-    implementation("org.kohsuke:github-api:1.317")
+    implementation("org.kohsuke:github-api:1.318")
 
     implementation("org.bouncycastle:bcprov-jdk15on:1.70")