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": "16.4.4"
   },
   "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@16.4.4:
+  version "16.4.4"
+  resolved "https://registry.yarnpkg.com/dotenv/-/dotenv-16.4.4.tgz#a26e7bb95ebd36272ebb56edb80b826aecf224c1"
+  integrity sha512-XvPXc8XAQThSjAbY6cQ/9PcBXmFoWuw1sQ3b8HqUCR6ziGXjkTi//kB9SWa2UwqlgdAIuRqAa/9hVljzPehbYg==
 
 dotenv@^8.2.0:
   version "8.2.0"