chore: bump fs-extra from 9.0.1 to 9.1.0 in /backend (#105)

Bumps [fs-extra](https://github.com/jprichardson/node-fs-extra) from 9.0.1 to 9.1.0.
- [Release notes](https://github.com/jprichardson/node-fs-extra/releases)
- [Changelog](https://github.com/jprichardson/node-fs-extra/blob/master/CHANGELOG.md)
- [Commits](jprichardson/node-fs-extra@9.0.1...9.1.0)

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Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Author: dependabot-preview[bot]

backend/package.json

@@ -120,7 +120,7 @@
 		"@vscode-logging/logger": "1.2.1",
 		"@sap/swa-for-sapbas-vsx": "1.1.11",
 		"datauri": "3.0.0",
-		"fs-extra": "9.0.1",
+		"fs-extra": "9.1.0",
 		"lodash": "4.17.20",
 		"strip-ansi": "6.0.0",
 		"ws": "7.4.4",