fix some cli/testing nits

.nvmrc

@@ -1 +1 @@
-v12
+v16

foundry.toml

@@ -1,10 +1,10 @@
-[default]
+[profile.default]
 src = 'contracts'
 out = 'foundry-out'
 solc_version = '0.8.13'
 optimizer_runs = 800
 
-[ci]
+[profile.ci]
 fuzz_runs = 100000
 
 # See more config options https://github.com/foundry-rs/foundry/tree/master/config

hardhat.config.ts

@@ -1,7 +1,7 @@
-import 'hardhat-typechain'
 import '@nomiclabs/hardhat-ethers'
-import '@nomiclabs/hardhat-waffle'
 import '@nomiclabs/hardhat-etherscan'
+import '@nomiclabs/hardhat-waffle'
+import 'hardhat-typechain'
 
 const importToml = require('import-toml')
 const foundryConfig = importToml.sync('foundry.toml')
@@ -33,11 +33,11 @@ export default {
     apiKey: process.env.ETHERSCAN_API_KEY,
   },
   solidity: {
-    version: foundryConfig.default.solc_version,
+    version: foundryConfig.profile.default.solc_version,
     settings: {
       optimizer: {
         enabled: true,
-        runs: foundryConfig.default.optimizer_runs,
+        runs: foundryConfig.profile.default.optimizer_runs,
       },
       metadata: {
         // do not include the metadata hash, since this is machine dependent