build(deps): bump jszip and snyk

Removes [jszip](https://github.com/Stuk/jszip). It's no longer used after updating ancestor dependency [snyk](https://github.com/snyk/snyk). These dependencies need to be updated together.


Removes `jszip`

Updates `snyk` from 1.347.1 to 1.1012.0
- [Release notes](https://github.com/snyk/snyk/releases)
- [Commits](https://github.com/snyk/snyk/compare/v1.347.1...v1.1012.0)

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

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

package.json

@@ -20,7 +20,7 @@
     "gatsby-plugin-manifest": "^2.4.13",
     "react": "^16.13.1",
     "react-dom": "^16.13.1",
-    "snyk": "^1.347.1"
+    "snyk": "^1.1012.0"
   },
   "devDependencies": {
     "prettier": "^1.19.1",