chore: Bump @types/express in /modules/webhook/lambdas/webhook (#220)

Bumps [@types/express](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/express) from 4.17.7 to 4.17.8.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/express)

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

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

Author: dependabot[bot]

modules/webhook/lambdas/webhook/package.json

@@ -12,7 +12,7 @@
   },
   "devDependencies": {
     "@octokit/webhooks": "^7.11.2",
-    "@types/express": "^4.17.3",
+    "@types/express": "^4.17.8",
     "@types/jest": "^26.0.14",
     "@types/node": "^14.11.2",
     "@zeit/ncc": "^0.22.1",

modules/webhook/lambdas/webhook/yarn.lock

@@ -720,10 +720,10 @@
     "@types/qs" "*"
     "@types/range-parser" "*"
 
-"@types/express@^4.17.3":
-  version "4.17.7"
-  resolved "https://registry.yarnpkg.com/@types/express/-/express-4.17.7.tgz#42045be6475636d9801369cd4418ef65cdb0dd59"
-  integrity sha512-dCOT5lcmV/uC2J9k0rPafATeeyz+99xTt54ReX11/LObZgfzJqZNcW27zGhYyX+9iSEGXGt5qLPwRSvBZcLvtQ==
+"@types/express@^4.17.8":
+  version "4.17.8"
+  resolved "https://registry.yarnpkg.com/@types/express/-/express-4.17.8.tgz#3df4293293317e61c60137d273a2e96cd8d5f27a"
+  integrity sha512-wLhcKh3PMlyA2cNAB9sjM1BntnhPMiM0JOBwPBqttjHev2428MLEB4AYVN+d8s2iyCVZac+o41Pflm/ZH5vLXQ==
   dependencies:
     "@types/body-parser" "*"
     "@types/express-serve-static-core" "*"