Bump pubsub-js from 1.9.4 to 1.9.5

Bumps [pubsub-js](https://github.com/mroderick/PubSubJS) from 1.9.4 to 1.9.5.
- [Release notes](https://github.com/mroderick/PubSubJS/releases)
- [Changelog](https://github.com/mroderick/PubSubJS/blob/master/CHANGES.md)
- [Commits](mroderick/PubSubJS@v1.9.4...v1.9.5)

---
updated-dependencies:
- dependency-name: pubsub-js
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

package.json

@@ -66,7 +66,7 @@
 		"pepjs": "0.5.3",
 		"picturefill": "3.0.3",
 		"popper.js": "1.16.1",
-		"pubsub-js": "1.9.4",
+		"pubsub-js": "1.9.5",
 		"quill": "1.3.7",
 		"respond.js": "1.4.2",
 		"responsive-tabs": "1.6.3",

yarn.lock

@@ -5726,10 +5726,10 @@ prr@~1.0.1:
   resolved "https://registry.npmjs.org/prr/-/prr-1.0.1.tgz"
   integrity sha1-0/wRS6BplaRexok/SEzrHXj19HY=
 
-pubsub-js@1.9.4:
-  version "1.9.4"
-  resolved "https://registry.npmjs.org/pubsub-js/-/pubsub-js-1.9.4.tgz"
-  integrity sha512-hJYpaDvPH4w8ZX/0Fdf9ma1AwRgU353GfbaVfPjfJQf1KxZ2iHaHl3fAUw1qlJIR5dr4F3RzjGaWohYUEyoh7A==
+pubsub-js@1.9.5:
+  version "1.9.5"
+  resolved "https://registry.yarnpkg.com/pubsub-js/-/pubsub-js-1.9.5.tgz#e9264ef8c7aa4c2510010ebb75bfd54cdcb7b148"
+  integrity sha512-5MZ0I9i5JWVO7SizvOviKvZU2qaBbl2KQX150FAA+fJBwYpwOUId7aNygURWSdPzlsA/xZ/InUKXqBbzM0czTA==
 
 pump@^3.0.0:
   version "3.0.0"