Bump undici from 5.18.0 to 5.19.1

Bumps [undici](https://github.com/nodejs/undici) from 5.18.0 to 5.19.1.
- [Release notes](https://github.com/nodejs/undici/releases)
- [Commits](nodejs/undici@v5.18.0...v5.19.1)

---
updated-dependencies:
- dependency-name: undici
  dependency-type: direct:production
...

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

packages/hardhat-core/package.json

@@ -144,7 +144,7 @@
     "source-map-support": "^0.5.13",
     "stacktrace-parser": "^0.1.10",
     "tsort": "0.0.1",
-    "undici": "^5.14.0",
+    "undici": "^5.19.1",
     "uuid": "^8.3.2",
     "ws": "^7.4.6"
   },

packages/hardhat-verify/package.json

@@ -41,7 +41,7 @@
     "lodash.clonedeep": "^4.5.0",
     "semver": "^6.3.0",
     "table": "^6.8.0",
-    "undici": "^5.14.0"
+    "undici": "^5.19.1"
   },
   "devDependencies": {
     "@nomiclabs/hardhat-ethers": "^2.0.0",

yarn.lock

@@ -8976,9 +8976,16 @@ underscore@^1.8.3:
   integrity sha512-+A5Sja4HP1M08MaXya7p5LvjuM7K6q/2EaC0+iovj/wOcMsTzMvDFbasi/oSapiwOlt252IqsKqPjCl7huKS0A==
 
 undici@^5.14.0:
-  version "5.18.0"
-  resolved "https://registry.yarnpkg.com/undici/-/undici-5.18.0.tgz#e88a77a74d991a30701e9a6751e4193a26fabda9"
-  integrity sha512-1iVwbhonhFytNdg0P4PqyIAXbdlVZVebtPDvuM36m66mRw4OGrCm2MYynJv/UENFLdP13J1nPVQzVE2zTs1OeA==
+  version "5.22.0"
+  resolved "https://registry.yarnpkg.com/undici/-/undici-5.22.0.tgz#5e205d82a5aecc003fc4388ccd3d2c6e8674a0ad"
+  integrity sha512-fR9RXCc+6Dxav4P9VV/sp5w3eFiSdOjJYsbtWfd4s5L5C4ogyuVpdKIVHeW0vV1MloM65/f7W45nR9ZxwVdyiA==
+  dependencies:
+    busboy "^1.6.0"
+
+undici@^5.19.1:
+  version "5.19.1"
+  resolved "https://registry.yarnpkg.com/undici/-/undici-5.19.1.tgz#92b1fd3ab2c089b5a6bd3e579dcda8f1934ebf6d"
+  integrity sha512-YiZ61LPIgY73E7syxCDxxa3LV2yl3sN8spnIuTct60boiiRaE1J8mNWHO8Im2Zi/sFrPusjLlmRPrsyraSqX6A==
   dependencies:
     busboy "^1.6.0"