Bump net.thenextlvl.core:version-checker in /velocity

Bumps net.thenextlvl.core:version-checker from 1.0.1 to 1.2.3.

---
updated-dependencies:
- dependency-name: net.thenextlvl.core:version-checker
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

velocity/build.gradle.kts

@@ -31,7 +31,7 @@ dependencies {
     implementation("org.bstats:bstats-velocity:3.1.0")
     implementation("net.thenextlvl.core:files:1.0.5")
     implementation("net.thenextlvl.core:i18n:1.0.19")
-    implementation("net.thenextlvl.core:version-checker:1.0.1")
+    implementation("net.thenextlvl.core:version-checker:1.2.3")
 
     annotationProcessor("org.projectlombok:lombok:1.18.34")
     annotationProcessor("com.velocitypowered:velocity-api:3.3.0-SNAPSHOT")