Bump org.mnode.ical4j:ical4j from 4.0.7 to 4.0.8 in /server

Bumps [org.mnode.ical4j:ical4j](https://github.com/ical4j/ical4j) from 4.0.7 to 4.0.8.
- [Release notes](https://github.com/ical4j/ical4j/releases)
- [Changelog](https://github.com/ical4j/ical4j/blob/develop/CHANGELOG.md)
- [Commits](ical4j/ical4j@ical4j-4.0.7...ical4j-4.0.8)

---
updated-dependencies:
- dependency-name: org.mnode.ical4j:ical4j
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

server/build.gradle

@@ -45,7 +45,7 @@ dependencies {
 
 	implementation "commons-io:commons-io:2.18.0"
 	implementation "com.github.vladimir-bukhtoyarov:bucket4j-core:8.0.1"
-	implementation "org.mnode.ical4j:ical4j:4.0.7"
+	implementation "org.mnode.ical4j:ical4j:4.0.8"
 	implementation "com.itextpdf:itext-core:9.0.0"
 	implementation "com.itextpdf:html2pdf:6.0.0"
 	implementation "com.auth0:java-jwt:4.4.0"