Bump jszip from 3.6.0 to 3.7.0

Bumps [jszip](https://github.com/Stuk/jszip) from 3.6.0 to 3.7.0.
- [Release notes](https://github.com/Stuk/jszip/releases)
- [Changelog](https://github.com/Stuk/jszip/blob/master/CHANGES.md)
- [Commits](https://github.com/Stuk/jszip/compare/v3.6.0...v3.7.0)

---
updated-dependencies:
- dependency-name: jszip
  dependency-type: direct:production
...

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

package.json

@@ -34,7 +34,7 @@
     "exceljs": "^4.2.1",
     "fibers": "^5.0.0",
     "gridfs-stream": "https://github.com/wekan/gridfs-stream/tarball/master",
-    "jszip": "^3.6.0",
+    "jszip": "^3.7.0",
     "ldapjs": "^2.3.0",
     "markdown-it": "^12.1.0",
     "markdown-it-emoji": "^2.0.0",