Bump fs-extra from 11.3.3 to 11.3.4 in /backend

Bumps [fs-extra](https://github.com/jprichardson/node-fs-extra) from 11.3.3 to 11.3.4.
- [Changelog](https://github.com/jprichardson/node-fs-extra/blob/master/CHANGELOG.md)
- [Commits](https://github.com/jprichardson/node-fs-extra/compare/11.3.3...11.3.4)

---
updated-dependencies:
- dependency-name: fs-extra
  dependency-version: 11.3.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

backend/package-lock.json

@@ -26,7 +26,7 @@
         "express-session": "^1.19.0",
         "feed": "^5.2.0",
         "fluent-ffmpeg": "^2.1.3",
-        "fs-extra": "^11.3.3",
+        "fs-extra": "^11.3.4",
         "gotify": "^1.1.0",
         "jsonwebtoken": "^9.0.3",
         "lodash": "^4.17.23",
@@ -2266,9 +2266,9 @@
       }
     },
     "node_modules/fs-extra": {
-      "version": "11.3.3",
-      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-11.3.3.tgz",
-      "integrity": "sha512-VWSRii4t0AFm6ixFFmLLx1t7wS1gh+ckoa84aOeapGum0h+EZd1EhEumSB+ZdDLnEPuucsVB9oB7cxJHap6Afg==",
+      "version": "11.3.4",
+      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-11.3.4.tgz",
+      "integrity": "sha512-CTXd6rk/M3/ULNQj8FBqBWHYBVYybQ3VPBw0xGKFe3tuH7ytT6ACnvzpIQ3UZtB8yvUKC2cXn1a+x+5EVQLovA==",
       "license": "MIT",
       "dependencies": {
         "graceful-fs": "^4.2.0",

backend/package.json

@@ -40,7 +40,7 @@
     "express-session": "^1.19.0",
     "feed": "^5.2.0",
     "fluent-ffmpeg": "^2.1.3",
-    "fs-extra": "^11.3.3",
+    "fs-extra": "^11.3.4",
     "gotify": "^1.1.0",
     "jsonwebtoken": "^9.0.3",
     "lodash": "^4.17.23",