fix(deps): Update `@nextcloud/dialogs` to 5.3.4 to fix picking current directory · nextcloud/server@d73be08

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: buildjet/cache/restore@e376f15c6ec6dc595375c78633174c7e5f92dc0e. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

Failed to restore: "/usr/bin/tar" failed with error: The process '/usr/bin/tar' failed with exit code 2

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