Bump org.spigotmc:spigot-api

Bumps org.spigotmc:spigot-api from 1.17.1-R0.1-SNAPSHOT to 1.20.2-R0.1-SNAPSHOT.

---
updated-dependencies:
- dependency-name: org.spigotmc:spigot-api
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

eco-core/core-backend/build.gradle.kts

@@ -6,7 +6,7 @@ dependencies {
     implementation("org.reflections:reflections:0.9.12")
     implementation("org.objenesis:objenesis:3.2")
 
-    compileOnly("org.spigotmc:spigot-api:1.20-R0.1-SNAPSHOT")
+    compileOnly("org.spigotmc:spigot-api:1.20.2-R0.1-SNAPSHOT")
     compileOnly("me.clip:placeholderapi:2.10.10")
     compileOnly("net.kyori:adventure-text-minimessage:4.10.0")
     compileOnly("net.kyori:adventure-platform-bukkit:4.1.0")

eco-core/core-proxy/build.gradle.kts

@@ -2,5 +2,5 @@ group = "com.willfp"
 version = rootProject.version
 
 dependencies {
-    compileOnly("org.spigotmc:spigot-api:1.17.1-R0.1-SNAPSHOT")
+    compileOnly("org.spigotmc:spigot-api:1.20.2-R0.1-SNAPSHOT")
 }