chore(deps): update dependency dotenv to v16

Author: renovate[bot]

demo/package.json

@@ -8,7 +8,7 @@
     "dev": "gatsby develop"
   },
   "devDependencies": {
-    "dotenv": "10.0.0"
+    "dotenv": "16.1.2"
   },
   "dependencies": {
     "@chec/gatsby-source-chec": "*",

yarn.lock

@@ -4685,10 +4685,10 @@ dot-prop@^5.2.0:
   dependencies:
     is-obj "^2.0.0"
 
-dotenv@10.0.0:
-  version "10.0.0"
-  resolved "https://registry.yarnpkg.com/dotenv/-/dotenv-10.0.0.tgz#3d4227b8fb95f81096cdd2b66653fb2c7085ba81"
-  integrity sha512-rlBi9d8jpv9Sf1klPjNfFAuWDjKLwTIJJ/VxtoTwIR6hnZxcEOQCZg2oIL3MWBYw5GpUDKOEnND7LXTbIpQ03Q==
+dotenv@16.1.2:
+  version "16.1.2"
+  resolved "https://registry.yarnpkg.com/dotenv/-/dotenv-16.1.2.tgz#5c62cefa33c9e034354f5828c06aeedc4acfe7f3"
+  integrity sha512-RiNjjDF5yr9NtjqJqmWYA/XZShmt3r8FtJgAaqTiYqb99SqT0+aw5xAwOIvjMyXsH/C9/fLNafFkkZDwRi1KHA==
 
 dotenv@^8.2.0:
   version "8.2.0"