Update dependency com.palmergames.bukkit.towny:towny to v0.102.0.13 (IntellectualSites#3508)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

gradle/libs.versions.toml

@@ -13,7 +13,7 @@ worldguard-bukkit = "7.0.15"
 griefprevention = "18.0.0"
 griefdefender = "2.1.0-SNAPSHOT"
 residence = "6.0.0.1"
-towny = "0.102.0.12"
+towny = "0.102.0.13"
 plotsquared = "7.5.12"
 
 # Third party