Bump css-vars-ponyfill from 2.4.5 to 2.4.6

Bumps [css-vars-ponyfill](https://github.com/jhildenbiddle/css-vars-ponyfill) from 2.4.5 to 2.4.6.
- [Release notes](https://github.com/jhildenbiddle/css-vars-ponyfill/releases)
- [Changelog](https://github.com/jhildenbiddle/css-vars-ponyfill/blob/master/CHANGELOG.md)
- [Commits](https://github.com/jhildenbiddle/css-vars-ponyfill/compare/v2.4.5...v2.4.6)

---
updated-dependencies:
- dependency-name: css-vars-ponyfill
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

package-lock.json

@@ -7583,9 +7583,9 @@
       }
     },
     "css-vars-ponyfill": {
-      "version": "2.4.5",
-      "resolved": "https://registry.npmjs.org/css-vars-ponyfill/-/css-vars-ponyfill-2.4.5.tgz",
-      "integrity": "sha512-g/iKntsYEzYFTozriPP8GqqfBsgSSSXbR4DQ55+uFb9Yx4ltOaiQUcVm4Rv6IvS39y1n+wQpCUQMErwFJKyk9Q==",
+      "version": "2.4.6",
+      "resolved": "https://registry.npmjs.org/css-vars-ponyfill/-/css-vars-ponyfill-2.4.6.tgz",
+      "integrity": "sha512-FqUFzMlI5jpPl73R9FrUuittWM/t7RDEnyp0603MCNEy6PI/1PALIX1d15cui6UAN/V8tnIWZDMz6WoZD87eGQ==",
       "requires": {
         "balanced-match": "^1.0.2",
         "get-css-data": "^2.0.2"

package.json

@@ -48,7 +48,7 @@
     "camelcase": "^6.2.0",
     "clipboard": "^2.0.8",
     "core-js": "^3.15.1",
-    "css-vars-ponyfill": "^2.4.5",
+    "css-vars-ponyfill": "^2.4.6",
     "davclient.js": "git+https://github.com/owncloud/davclient.js.git#0.2.1",
     "debounce": "^1.2.1",
     "dompurify": "^2.2.8",