fix: set right chainlink package version in yarn lock

Author: MerlinEgalite

yarn.lock

@@ -216,7 +216,7 @@
     "@babel/helper-validator-identifier" "^7.14.5"
     to-fast-properties "^2.0.0"
 
-"@chainlink/contracts@0.8.2":
+"@chainlink/contracts@0.2.0":
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/@chainlink/contracts/-/contracts-0.2.0.tgz#0d9c2f2a9036e4a8560238da4133910c4c8b14e5"
   integrity sha512-p6E8gZBr16V+geJjYRxixwkEjk0fci8ARSszzHxSqJY81/Ja6Z0K7uVb+Fq9iTvEDbBQjFV9Tnvym/a3Q6+1GQ==