Merge pull request DSpace#3783 from DSpace/dependabot/npm_and_yarn/mirador-3.4.2

Bump mirador from 3.3.0 to 3.4.2

Author: tdonohue

package-lock.json

@@ -146,7 +146,7 @@
     "lodash": "^4.17.21",
     "lru-cache": "^7.14.1",
     "markdown-it": "^13.0.1",
-    "mirador": "^3.3.0",
+    "mirador": "^3.4.2",
     "mirador-dl-plugin": "^0.13.0",
     "mirador-share-plugin": "^0.16.0",
     "morgan": "^1.10.0",