Bump de.tr7zw:item-nbt-api from 2.12.4 to 2.13.1 (#234)

Bumps de.tr7zw:item-nbt-api from 2.12.4 to 2.13.1.

---
updated-dependencies:
- dependency-name: de.tr7zw:item-nbt-api
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

v1_8R3/build.gradle.kts

@@ -2,5 +2,5 @@ dependencies {
     compileOnly(project(":greatlifesteal-spigot"))
     compileOnly("org.spigotmc:spigot-api:1.8.8-R0.1-SNAPSHOT")
 
-    implementation("de.tr7zw:item-nbt-api:2.12.4")
+    implementation("de.tr7zw:item-nbt-api:2.13.1")
 }