fix: upgrade proj4 from 2.11.0 to 2.12.0

Snyk has created this PR to upgrade proj4 from 2.11.0 to 2.12.0.

See this package in yarn:
proj4

See this project in Snyk:
https://app.snyk.io/org/jumpinjackie/project/237aa0ce-9fa8-40ed-aa0f-0fdb7e4e2a3f?utm_source=github&utm_medium=referral&page=upgrade-pr

package.json

@@ -66,7 +66,7 @@
     "lodash.xorby": "^4.7.0",
     "ol": "^6.15.1",
     "papaparse": "^5.4.1",
-    "proj4": "2.11.0",
+    "proj4": "2.12.0",
     "qs": "^6.12.0",
     "react": "^17.0.2",
     "react-colorful": "^5.6.1",

yarn.lock

@@ -11368,10 +11368,10 @@ process@^0.11.10:
   resolved "https://registry.yarnpkg.com/process/-/process-0.11.10.tgz#7332300e840161bda3e69a1d1d91a7d4bc16f182"
   integrity sha1-czIwDoQBYb2j5podHZGn1LwW8YI=
 
-proj4@2.11.0:
-  version "2.11.0"
-  resolved "https://registry.yarnpkg.com/proj4/-/proj4-2.11.0.tgz#795a5790aed30a7535d6a4c5775c0ce2a763cc41"
-  integrity sha512-SasuTkAx8HnWQHfIyhkdUNJorSJqINHAN3EyMWYiQRVorftz9DHz650YraFgczwgtHOxqnfuDxSNv3C8MUnHeg==
+proj4@2.12.0:
+  version "2.12.0"
+  resolved "https://registry.yarnpkg.com/proj4/-/proj4-2.12.0.tgz#c96a25bad3e3107c9b163e1bb31cc0403a740ee7"
+  integrity sha512-cQJxcVX7+fmAhOxoazKgk76GkGYQ5HcLod4rdy2MizhPvLdrZQJThxsHoz/TjjdxUvTm/rbozMgE0q9mdXKWIw==
   dependencies:
     mgrs "1.0.0"
     wkt-parser "^1.3.3"