Address spot check feedback (#251)

* UniswapV3 VIP (#237)

* `@0x/contracts-zero-ex`: Add UniswapV3Feature

* `@0x/contracts-zero-ex`: Add UniswapV3 VIP
`@0x/contract-artifacts`: Regenerate.
`@0x/contract-wrappers`: Regenerate.
`@0x/asset-swapper`: Add UniswapV3 VIP support.

* address review comments and appease linter

* `@0x/contracts-zero-ex`: Add UniswapV3Feature tests

* Multiplex UniswapV3 (#241)

* Add UniswapV3 support to Multiplex batchFill

* Add AssetSwapper support for Multiplex UniswapV3

* fix repo scripts that use PKG= env var (#242)

Co-authored-by: Lawrence Forman <me@merklejerk.com>

* `@0x/asset-swapper`: Adjust uniswap gas overhead

Co-authored-by: Lawrence Forman <me@merklejerk.com>
Co-authored-by: mzhu25 <mchl.zhu.96@gmail.com>

* OTC orders feature (#244)

* Add OTC orders feature contracts

* Address PR feedback

* Remove partial fills for takerSigned variant

* Add function to query the min valid nonce

* Add ETH support

* Tightly pack expiry, nonceBucket, and nonce

* Address PR feedback

* OTC orders unit tests

* Bump prettier version

* Skip unnecessary math if takerTokenFillAmount == order.takerAmount

* appease CI

* Update contract-artifacts and contract-wrappers and CHANGELOGs

* `@0x/contracts-zero-ex`: Address spot check feedback

* `regen wrappers

* prettier

* `@0x/asset-swapper`: prettier and tweak gas schedule slightly for uni3

Co-authored-by: Lawrence Forman <me@merklejerk.com>
Co-authored-by: mzhu25 <mchl.zhu.96@gmail.com>

contracts/zero-ex/test/features/transform_erc20_test.ts

@@ -43,12 +43,14 @@ blockchainTests.resets('TransformERC20 feature', env => {
             env.provider,
             env.txDefaults,
             {
-                transformERC20: (await TestTransformERC20Contract.deployFrom0xArtifactAsync(
-                    artifacts.TestTransformERC20,
-                    env.provider,
-                    env.txDefaults,
-                    artifacts,
-                )).address,
+                transformERC20: (
+                    await TestTransformERC20Contract.deployFrom0xArtifactAsync(
+                        artifacts.TestTransformERC20,
+                        env.provider,
+                        env.txDefaults,
+                        artifacts,
+                    )
+                ).address,
             },
             { transformerDeployer },
         );