Bump mirador from 3.4.2 to 3.4.3

Bumps [mirador](https://github.com/ProjectMirador/mirador) from 3.4.2 to 3.4.3.
- [Release notes](https://github.com/ProjectMirador/mirador/releases)
- [Commits](https://github.com/ProjectMirador/mirador/compare/v3.4.2...v3.4.3)

---
updated-dependencies:
- dependency-name: mirador
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

package-lock.json

@@ -59,7 +59,7 @@
         "lodash": "^4.17.21",
         "lru-cache": "^7.14.1",
         "markdown-it": "^13.0.1",
-        "mirador": "^3.4.2",
+        "mirador": "^3.4.3",
         "mirador-dl-plugin": "^0.13.0",
         "mirador-share-plugin": "^0.16.0",
         "morgan": "^1.10.0",
@@ -16618,9 +16618,9 @@
       }
     },
     "node_modules/mirador": {
-      "version": "3.4.2",
-      "resolved": "https://registry.npmjs.org/mirador/-/mirador-3.4.2.tgz",
-      "integrity": "sha512-Gd7G4NkXq6/qD/De5soYspSo9VykAzrGFunKqUI3x9WShoZP23pYIEPoC/96tvfk3KMv+UbAUxDp99Xeo7vnVQ==",
+      "version": "3.4.3",
+      "resolved": "https://registry.npmjs.org/mirador/-/mirador-3.4.3.tgz",
+      "integrity": "sha512-yHoug0MHy4e9apykbbBhK+4CmbZS94zMxmugw2E2VX6iB0b2PKKY0JfYr/QfXh9P29YnWAbymaXJVpgbHVpTVw==",
       "dependencies": {
         "@material-ui/core": "^4.12.3",
         "@material-ui/icons": "^4.9.1",

package.json

@@ -146,7 +146,7 @@
     "lodash": "^4.17.21",
     "lru-cache": "^7.14.1",
     "markdown-it": "^13.0.1",
-    "mirador": "^3.4.2",
+    "mirador": "^3.4.3",
     "mirador-dl-plugin": "^0.13.0",
     "mirador-share-plugin": "^0.16.0",
     "morgan": "^1.10.0",