build(deps): bump de.tr7zw:item-nbt-api-plugin from 2.15.5 to 2.15.6

Bumps de.tr7zw:item-nbt-api-plugin from 2.15.5 to 2.15.6.

---
updated-dependencies:
- dependency-name: de.tr7zw:item-nbt-api-plugin
  dependency-version: 2.15.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pom.xml

@@ -237,7 +237,7 @@
         <dependency>
             <groupId>de.tr7zw</groupId>
             <artifactId>item-nbt-api-plugin</artifactId>
-            <version>2.15.5</version>
+            <version>2.15.6</version>
             <scope>provided</scope>
         </dependency>
         <dependency>