Bump css-vars-ponyfill from 1.7.2 to 1.16.2

Bumps [css-vars-ponyfill](https://github.com/jhildenbiddle/css-vars-ponyfill) from 1.7.2 to 1.16.2.
- [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/commits)

Signed-off-by: dependabot[bot] <support@dependabot.com>
Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

package-lock.json

@@ -1023,10 +1023,6 @@
       "integrity": "sha512-FZdkNBDqBRHKQ2MEbSC17xnPFOhZxeJ2YGSfr2BKf3sujG49Qe3bB+rGCwQfIaA7WHnGeGkSijX4FuBCdrzW/g==",
       "dev": true
     },
-    "Select2": {
-      "version": "git+https://github.com/select2/select2.git#b5f3b2839c48c53f9641d6bb1bccafc5260c7620",
-      "from": "git+https://github.com/select2/select2.git#3.4.8"
-    },
     "acorn": {
       "version": "5.7.3",
       "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.3.tgz",
@@ -1963,9 +1959,9 @@
       }
     },
     "css-vars-ponyfill": {
-      "version": "1.7.2",
-      "resolved": "https://registry.npmjs.org/css-vars-ponyfill/-/css-vars-ponyfill-1.7.2.tgz",
-      "integrity": "sha512-RpLdL58aY3/k7pACmfTttNKjJF9o3SFfX9chfWRYZx4WY1PdTRTC8glrmW2AybYvGzKtjVde3kocpDy/QuhuwQ=="
+      "version": "1.16.2",
+      "resolved": "https://registry.npmjs.org/css-vars-ponyfill/-/css-vars-ponyfill-1.16.2.tgz",
+      "integrity": "sha512-cnF2KwwMPjU+P5jgDnPv/o+RioqDyjw81YNLki3rEPDp28xYE0zjpN23RaFF/pimmS4G4MG1eJtSYGaf19mvyw=="
     },
     "cssesc": {
       "version": "0.1.0",

package.json

@@ -26,7 +26,7 @@
     "blueimp-md5": "^2.7.0",
     "bootstrap": "^3.4.0",
     "clipboard": "^1.7.1",
-    "css-vars-ponyfill": "^1.7.2",
+    "css-vars-ponyfill": "^1.16.2",
     "davclient.js": "git+https://github.com/owncloud/davclient.js.git#0.1.2",
     "dompurify": "^1.0.4",
     "es6-shim": "^0.35.4",