Bump io.papermc.paper:paper-api

Bumps io.papermc.paper:paper-api from 1.20.4-R0.1-SNAPSHOT to 1.20.6-R0.1-SNAPSHOT.

---
updated-dependencies:
- dependency-name: io.papermc.paper:paper-api
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

build.gradle

@@ -30,7 +30,7 @@ repositories {
 }
 
 dependencies {
-    compileOnly 'io.papermc.paper:paper-api:1.20.4-R0.1-SNAPSHOT'
+    compileOnly 'io.papermc.paper:paper-api:1.20.6-R0.1-SNAPSHOT'
     compileOnly 'io.github.miniplaceholders:miniplaceholders-api:2.2.3'
 }