chore(deps): update dependency egg-static to v2.3.0

Author: renovate[bot]

package.json

@@ -13,7 +13,7 @@
         "egg-view-ejs": "3.0.0",
         "egg-view-nunjucks": "2.3.0",
         "egg-security": "2.9.0",
-        "egg-static": "2.2.0",
+        "egg-static": "2.3.0",
         "egg-onerror": "2.1.1",
         "koa-onerror": "4.2.0",
         "camelcase": "7.0.0",