Bump underscore from 1.13.6 to 1.13.7

Bumps [underscore](https://github.com/jashkenas/underscore) from 1.13.6 to 1.13.7.
- [Commits](jashkenas/underscore@1.13.6...1.13.7)

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

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

Author: dependabot[bot]

package.json

@@ -77,7 +77,7 @@
 		"systemjs": "6.15.1",
 		"tableexport": "5.2.0",
 		"tinymce": "7.2.1",
-		"underscore": "1.13.6",
+		"underscore": "1.13.7",
 		"unitegallery": "1.7.28",
 		"urijs": "1.19.11",
 		"xlsx": "0.18.5",

yarn.lock

@@ -7086,10 +7086,10 @@ unc-path-regex@^0.1.2:
   resolved "https://registry.npmjs.org/unc-path-regex/-/unc-path-regex-0.1.2.tgz"
   integrity sha1-5z3T17DXxe2G+6xrCufYxqadUPo=
 
-[email protected].6:
-  version "1.13.6"
-  resolved "https://registry.npmjs.org/underscore/-/underscore-1.13.6.tgz"
-  integrity sha512-+A5Sja4HP1M08MaXya7p5LvjuM7K6q/2EaC0+iovj/wOcMsTzMvDFbasi/oSapiwOlt252IqsKqPjCl7huKS0A==
+[email protected].7:
+  version "1.13.7"
+  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.13.7.tgz#970e33963af9a7dda228f17ebe8399e5fbe63a10"
+  integrity sha512-GMXzWtsc57XAtguZgaQViUOzs0KTkk8ojr3/xAxXLITqf/3EMwxC0inyETfDFjH/Krbhuep0HNbbjI9i/q3F3g==
 
 undertaker-registry@^2.0.0:
   version "2.0.0"