build: update plugin.yml version logic

use fullVersion if the project version is endsWith "-SNAPSHOT"

build.gradle

@@ -5,11 +5,15 @@ plugins {
     id 'kr.entree.spigradle' version '2.4.2'
     id 'java'
     id "xyz.jpenilla.run-paper" version "2.1.0"
+    id 'net.kyori.indra.git' version "3.1.3"
 }
 
 group 'cc.happyareabean'
 version '1.1.5-SNAPSHOT'
 
+def gitCommit = indraGit.commit().abbreviate(7).name()
+def fullVersion = "${project.version}-${gitCommit}"
+
 sourceCompatibility = JavaLanguageVersion.of(8)
 targetCompatibility = JavaLanguageVersion.of(8)
 
@@ -88,6 +92,7 @@ dependencies {
 spigot {
     // The 'name' and 'version' will be set to project.version and project.name,
     // But we may set those manually.
+    version = project.version.toString().endsWith("-SNAPSHOT") ? fullVersion : project.version
     apiVersion '1.13'
     excludeLibraries = ['*']
     softDepends 'PlaceholderAPI'