chore(deps-dev): bump ethers from 5.6.4 to 5.7.2

Bumps [ethers](https://github.com/ethers-io/ethers.js/tree/HEAD/packages/ethers) from 5.6.4 to 5.7.2.
- [Release notes](https://github.com/ethers-io/ethers.js/releases)
- [Changelog](https://github.com/ethers-io/ethers.js/blob/master/CHANGELOG.md)
- [Commits](https://github.com/ethers-io/ethers.js/commits/v5.7.2/packages/ethers)

---
updated-dependencies:
- dependency-name: ethers
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

packages/arb-bridge-eth/package.json

@@ -77,7 +77,7 @@
     "eslint-plugin-mocha": "^9.0.0",
     "eslint-plugin-prettier": "^4.0.0",
     "ethereum-waffle": "^3.2.0",
-    "ethers": "^5.4.0",
+    "ethers": "^5.7.2",
     "hardhat-deploy": "^0.9.1",
     "hardhat-gas-reporter": "^1.0.4",
     "lodash": "^4.17.15",

packages/arb-bridge-peripherals/package.json

@@ -56,7 +56,7 @@
     "eslint-plugin-mocha": "^9.0.0",
     "eslint-plugin-prettier": "^4.0.0",
     "ethereum-waffle": "^3.2.0",
-    "ethers": "^5.4.5",
+    "ethers": "^5.7.2",
     "hardhat-deploy": "^0.9.1",
     "hardhat-gas-reporter": "^1.0.4",
     "prettier": "^2.3.2",