ci(deps-dev): bump @types/bunyan from 1.8.8 to 1.8.11

Bumps [@types/bunyan](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/bunyan) from 1.8.8 to 1.8.11.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/bunyan)

---
updated-dependencies:
- dependency-name: "@types/bunyan"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

yarn.lock

@@ -2731,9 +2731,9 @@
     "@babel/types" "^7.3.0"
 
 "@types/bunyan@^1.8.8":
-  version "1.8.8"
-  resolved "https://registry.yarnpkg.com/@types/bunyan/-/bunyan-1.8.8.tgz#8d6d33f090f37c07e2a80af30ae728450a101008"
-  integrity sha512-Cblq+Yydg3u+sGiz2mjHjC5MPmdjY+No4qvHrF+BUhblsmSfMvsHLbOG62tPbonsqBj6sbWv1LHcsoe5Jw+/Ow==
+  version "1.8.11"
+  resolved "https://registry.yarnpkg.com/@types/bunyan/-/bunyan-1.8.11.tgz#0b9e7578a5aa2390faf12a460827154902299638"
+  integrity sha512-758fRH7umIMk5qt5ELmRMff4mLDlN+xyYzC+dkPTdKwbSkJFvz6xwyScrytPU0QIBbRRwbiE8/BIg8bpajerNQ==
   dependencies:
     "@types/node" "*"