Fix unsigned-bundle

Added new issue templates (#794)

Fix tray status on macOS and other improvements (#777)

Prepare 1.6.4 (#762)

* pnpm update

* flake update and update hashes

* update tauri plugin

Fix DEB build

fix windows app name (#720)

Cleanup for Windows (#685)

Add global MTU setting (#668)

* add mtu setting

* make AppConfig::mtu optional

* set mtu when connecting to location/tunnel

* add mtu to client -> service grpc structs

* bump wireguard-rs dependency

* use 0 for default mtu value

* cargo fmt

* add mtu default value description, remove unused util

* fix linting

* fix typo

* AppConfig::mtu non-optional in frontend

* Fix build on macOS

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Co-authored-by: Adam Ciarciński <[email protected]>