Update dependency percy to v0.20.2

package.json

@@ -82,7 +82,7 @@
   "devDependencies": {
     "eslint": "6.6.0",
     "eslint-config-gatsby-standard": "2.2.0",
-    "percy": "0.20.1",
+    "percy": "0.20.2",
     "prettier": "1.19.1",
     "stylelint-config-prettier": "6.0.0",
     "stylelint-config-standard": "19.0.0",

yarn.lock

@@ -11052,10 +11052,10 @@ percy-client@^3.2.0:
     request-promise "^4.2.2"
     walk "^2.3.14"
 
-[email protected].1:
-  version "0.20.1"
-  resolved "https://registry.yarnpkg.com/percy/-/percy-0.20.1.tgz#e46be3605225152a41ed119b2a5658358cb1c7b8"
-  integrity sha512-JyEwlDrNEqNaRQ2lVwyr0pq/ITMF3T/ClXL+D8SUhYhRE/1YCLSVPClcv75veKbQdJcLkL3qNgwAPsUc/h//jg==
+[email protected].2:
+  version "0.20.2"
+  resolved "https://registry.yarnpkg.com/percy/-/percy-0.20.2.tgz#2a0a7e93360fc37f0b7b17a6a63526304e62a719"
+  integrity sha512-gJsKk6knFju1A3b81gjyhKCALAsMN9d+Pci4z7YZBxGwmt5E+g8IZ7NA9ODQXCTFd5JGXBLvzVG3iU8mgkfj/Q==
   dependencies:
     "@oclif/command" "1.5.16"
     "@oclif/config" "^1"