build: update SI to 1.0.6.18

Author: Misat11

plugin/build.gradle

@@ -22,7 +22,7 @@ dependencies {
     implementation project(':BedWars-API')
     implementation project(':BedWars-NMS')
     implementation 'com.zaxxer:HikariCP:3.3.0'
-    implementation 'org.screamingsandals.simpleinventories:SimpleInventories-Core:1.0.6.17'
+    implementation 'org.screamingsandals.simpleinventories:SimpleInventories-Core:1.0.6.18'
     implementation 'org.bstats:bstats-bukkit:2.2.1'
     implementation 'gs.mclo:api:3.0.1', {
         exclude group: '*', module: '*'