fix: upgrade @formio/uswds from 2.5.2 to 2.6.0

Snyk has created this PR to upgrade @formio/uswds from 2.5.2 to 2.6.0.

See this package in npm:
@formio/uswds

See this project in Snyk:
https://app.snyk.io/org/travist-ulg/project/eeb4c0d9-fcd7-4f21-82a6-1086318fd04d?utm_source=github&utm_medium=referral&page=upgrade-pr

package.json

@@ -21,7 +21,7 @@
   "homepage": "https://github.com/formio/formio-viewer#readme",
   "dependencies": {
     "@formio/premium": "github:formio/premium#v2.0.6",
-    "@formio/uswds": "2.5.2",
+    "@formio/uswds": "2.6.0",
     "@formio/vpat": "github:formio/vpat#v2.5.4",
     "@uswds/uswds": "^3.8.2",
     "autocompleter": "^6.1.3",