Bump io.papermc.paperweight.userdev from 1.5.13 to 1.5.15 (#22)

Bumps io.papermc.paperweight.userdev from 1.5.13 to 1.5.15.

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

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

build.gradle

@@ -2,7 +2,7 @@ import org.apache.tools.ant.filters.ReplaceTokens
 
 plugins {
     id 'java'
-    id 'io.papermc.paperweight.userdev' version '1.5.13'
+    id 'io.papermc.paperweight.userdev' version '1.5.15'
     id 'xyz.jpenilla.run-paper' version '2.2.3'
     id "com.github.johnrengelman.shadow" version "8.1.1"
 }