updated gatsby-offline package

Author: a-saran

package-lock.json

@@ -21,7 +21,7 @@
     "gatsby-plugin-manifest": "^2.1.1",
     "gatsby-plugin-mdx": "^1.0.56",
     "gatsby-plugin-netlify": "^2.1.3",
-    "gatsby-plugin-offline": "^2.1.1",
+    "gatsby-plugin-offline": "^2.2.9",
     "gatsby-plugin-react-helmet": "^3.0.12",
     "gatsby-plugin-react-helmet-canonical-urls": "^1.2.0",
     "gatsby-plugin-sharp": "^2.1.3",