[INTERNAL] lib/processors/jsdoc: resolve versionUtil after mvn build

Cherry-picked from UI5/openui5@4b5513d6c.

Author: codeworrior

lib/processors/jsdoc/lib/ui5/plugin.js

@@ -73,7 +73,8 @@ const path = require('jsdoc/path');
 const logger = require('jsdoc/util/logger');
 const pluginConfig = (env.conf && env.conf.templates && env.conf.templates.ui5) || env.opts.sapui5 || {};
 const escope = require("escope");
-const {isSemVer} = require("./template/utils/versionUtil");
+const templatePath = path.getResourcePath(env.opts.template) || "./template";
+const {isSemVer} = require(`${templatePath}/utils/versionUtil`);
 
 /* ---- logging ---- */