Bump docdash from 0.4.0 to 1.0.0

Bumps [docdash](https://github.com/clenemt/docdash) from 0.4.0 to 1.0.0.
- [Release notes](https://github.com/clenemt/docdash/releases)
- [Commits](https://github.com/clenemt/docdash/commits)

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

Author: dependabot-support

package-lock.json

@@ -112,7 +112,7 @@
 		"ava": "^0.25.0",
 		"coveralls": "^3.0.1",
 		"cross-env": "^5.1.1",
-		"docdash": "^0.4.0",
+		"docdash": "^1.0.0",
 		"eslint": "^5.0.1",
 		"eslint-config-google": "^0.10.0",
 		"jsdoc": "^3.5.5",