Update dependency dotenv to v17

Author: renovate[bot]

package.json

@@ -36,7 +36,7 @@
     "@tryghost/helpers": "^1.1.6",
     "clean-css": "^4.2.1",
     "cross-env": "^7.0.0",
-    "dotenv": "^8.0.0",
+    "dotenv": "^17.0.0",
     "eleventy-plugin-lazyimages": "liamfiddler/eleventy-plugin-lazyimages",
     "eleventy-plugin-local-images": "^0.4.0",
     "eslint-utils": "3.0.0",

yarn.lock

@@ -1474,10 +1474,10 @@ dot-case@^3.0.4:
     no-case "^3.0.4"
     tslib "^2.0.3"
 
-dotenv@^8.0.0:
-  version "8.6.0"
-  resolved "https://registry.yarnpkg.com/dotenv/-/dotenv-8.6.0.tgz#061af664d19f7f4d8fc6e4ff9b584ce237adcb8b"
-  integrity sha512-IrPdXQsk2BbzvCBGBOTmmSH5SodmqZNt4ERAZDmW4CT+tL8VtvinqywuANaFu4bOMWki16nqf0e4oC0QIaDr/g==
+dotenv@^17.0.0:
+  version "17.2.1"
+  resolved "https://registry.yarnpkg.com/dotenv/-/dotenv-17.2.1.tgz#6f32e10faf014883515538dc922a0fb8765d9b32"
+  integrity sha512-kQhDYKZecqnM0fCnzI5eIv5L4cAe/iRI+HqMbO/hbRdTAeXDG+M9FjipUxNfbARuEg4iHIbhnhs78BCHNbSxEQ==
 
 easy-extender@^2.3.4:
   version "2.3.4"