Bump clipboard from 2.0.6 to 2.0.7

Bumps [clipboard](https://github.com/zenorocha/clipboard.js) from 2.0.6 to 2.0.7.
- [Release notes](https://github.com/zenorocha/clipboard.js/releases)
- [Commits](https://github.com/zenorocha/clipboard.js/compare/v2.0.6...v2.0.7)

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

package.json

@@ -68,7 +68,7 @@
   },
   "dependencies": {
     "annotator": "wallabag/annotator#master",
-    "clipboard": "^2.0.4",
+    "clipboard": "^2.0.7",
     "hammerjs": "^2.0.8",
     "highlight.js": "^10.6.0",
     "icomoon-free-npm": "^0.0.0",