Bump @openzeppelin/contracts from 4.7.3 to 4.8.1 (#487)

Bumps [@openzeppelin/contracts](https://github.com/OpenZeppelin/openzeppelin-contracts) from 4.7.3 to 4.8.1.
- [Release notes](https://github.com/OpenZeppelin/openzeppelin-contracts/releases)
- [Changelog](https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/CHANGELOG.md)
- [Commits](OpenZeppelin/openzeppelin-contracts@v4.7.3...v4.8.1)

---
updated-dependencies:
- dependency-name: "@openzeppelin/contracts"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -24,7 +24,7 @@
     "@gnosis.pm/safe-react-components": "1.1.5",
     "@material-ui/core": "^4.12.3",
     "@material-ui/lab": "^4.0.0-alpha.60",
-    "@openzeppelin/contracts": "^4.7.2",
+    "@openzeppelin/contracts": "^4.8.1",
     "ace-builds": "^1.13.1",
     "bignumber.js": "^9.0.2",
     "ethers": "^5.7.2",

yarn.lock

@@ -1993,10 +1993,10 @@
     mkdirp "^1.0.4"
     rimraf "^3.0.2"
 
-"@openzeppelin/contracts@^4.7.2":
-  version "4.7.3"
-  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-4.7.3.tgz#939534757a81f8d69cc854c7692805684ff3111e"
-  integrity sha512-dGRS0agJzu8ybo44pCIf3xBaPQN/65AIXNgK8+4gzKd5kbvlqyxryUYVLJv7fK98Seyd2hDZzVEHSWAh0Bt1Yw==
+"@openzeppelin/contracts@^4.8.1":
+  version "4.8.1"
+  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-4.8.1.tgz#709cfc4bbb3ca9f4460d60101f15dac6b7a2d5e4"
+  integrity sha512-xQ6eUZl+RDyb/FiZe1h+U7qr/f4p/SrTSQcTPH2bjur3C5DbuW/zFgCU/b1P/xcIaEqJep+9ju4xDRi3rmChdQ==
 
 "@pmmmwh/react-refresh-webpack-plugin@0.4.3":
   version "0.4.3"