Bump spigot-api from 1.18-R0.1-SNAPSHOT to 1.18.1-R0.1-SNAPSHOT (#211)

Bumps spigot-api from 1.18-R0.1-SNAPSHOT to 1.18.1-R0.1-SNAPSHOT.

---
updated-dependencies:
- dependency-name: org.spigotmc:spigot-api
  dependency-type: direct:production
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

build.gradle

@@ -23,7 +23,7 @@ repositories {
 
 dependencies {
     implementation 'org.bstats:bstats-bukkit:2.2.1'
-    compileOnly 'org.spigotmc:spigot-api:1.18-R0.1-SNAPSHOT'
+    compileOnly 'org.spigotmc:spigot-api:1.18.1-R0.1-SNAPSHOT'
     compileOnly 'org.jetbrains:annotations:23.0.0'
 }