fix: upgrade signature_pad from 4.1.7 to 4.2.0

Snyk has created this PR to upgrade signature_pad from 4.1.7 to 4.2.0.

See this package in npm:
https://www.npmjs.com/package/signature_pad

See this project in Snyk:
https://app.snyk.io/org/heather-jrc/project/744bedfc-61f3-43e0-b360-803f18578069?utm_source=github&utm_medium=referral&page=upgrade-pr

package.json

@@ -109,7 +109,7 @@
     "moment": "^2.29.4",
     "moment-timezone": "^0.5.44",
     "quill": "^2.0.0-dev.3",
-    "signature_pad": "^4.1.4",
+    "signature_pad": "^4.2.0",
     "string-hash": "^1.1.3",
     "tippy.js": "^6.3.7",
     "uuid": "^9.0.0",