deps: bump io.papermc.paper:paper-api (#167)

Bumps io.papermc.paper:paper-api from 1.21-R0.1-SNAPSHOT to 1.21.1-R0.1-SNAPSHOT.

---
updated-dependencies:
- dependency-name: io.papermc.paper:paper-api
  dependency-type: direct:production
...

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build.gradle

@@ -64,12 +64,12 @@ repositories {
 }
 
 dependencies {
-    compileOnly 'io.papermc.paper:paper-api:1.21-R0.1-SNAPSHOT'
+    compileOnly 'io.papermc.paper:paper-api:1.21.1-R0.1-SNAPSHOT'
     compileOnly 'com.github.spotbugs:spotbugs-annotations:4.8.6'
     implementation 'io.papermc:paperlib:1.0.8'
     spotbugsPlugins 'com.h3xstream.findsecbugs:findsecbugs-plugin:1.13.0'
     testCompileOnly 'com.github.spotbugs:spotbugs-annotations:4.8.6'
-    testImplementation 'io.papermc.paper:paper-api:1.21-R0.1-SNAPSHOT'
+    testImplementation 'io.papermc.paper:paper-api:1.21.1-R0.1-SNAPSHOT'
     testImplementation 'org.junit.jupiter:junit-jupiter:5.10.3'
     testRuntimeOnly 'org.junit.platform:junit-platform-launcher:1.10.3'
 }