chore(deps): pin dependency gatsby-plugin-image to 1.8.0 (#58)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

Author: renovate[bot]

demo/package.json

@@ -13,7 +13,7 @@
   "dependencies": {
     "@chec/gatsby-source-chec": "*",
     "gatsby": "3.8.1",
-    "gatsby-plugin-image": "^1.8.0",
+    "gatsby-plugin-image": "1.8.0",
     "gatsby-plugin-sharp": "3.8.0",
     "gatsby-transformer-sharp": "3.8.0",
     "react": "17.0.2",

yarn.lock

@@ -6215,7 +6215,7 @@ gatsby-page-utils@^1.8.0:
     lodash "^4.17.21"
     micromatch "^4.0.2"
 
-gatsby-plugin-image@^1.8.0:
+gatsby-plugin-image@1.8.0:
   version "1.8.0"
   resolved "https://registry.yarnpkg.com/gatsby-plugin-image/-/gatsby-plugin-image-1.8.0.tgz#9a530cbd2c7b8219d36bb47081e01b3684fa6d41"
   integrity sha512-nE7VAjhoKlAEtiBmDYo7PFsr4InyrKaHg47ou2b3PG++JiZQRkeVYDq1qeBPmbjh0DA93KMVOheIlc1NuVZvAQ==