Fix issue with detection of RIP7212 precompile (#5620)

Co-authored-by: Arr00 <13561405+arr00@users.noreply.github.com>
Co-authored-by: Ernesto García <ernestognw@gmail.com>

hardhat.config.js

@@ -102,6 +102,7 @@ module.exports = {
       // we rely on the `code-size` compiler warning, that will cause a compilation error.
       allowUnlimitedContractSize: true,
       initialBaseFeePerGas: argv.coverage ? 0 : undefined,
+      enableRip7212: true,
     },
   },
   exposed: {