fix(single-instance): Yield unix listener in macos (#3466)

* Use tokio UnixListener so the task can yield and release the thread

* use standard unix listener, convert to non blocking and cast into tokio yielding one

* Create fix-yield-single-instance-macos.md

* Update .changes/fix-yield-single-instance-macos.md

Co-authored-by: Fabian-Lars <30730186+FabianLars@users.noreply.github.com>

* use net feature in Tokio dependency

* Use tokio UnixListener::bind, inside the tokio task

---------

Co-authored-by: Fabian-Lars <30730186+FabianLars@users.noreply.github.com>

.changes/fix-yield-single-instance-macos.md

@@ -0,0 +1,4 @@
+---
+"single-instance": patch
+---
+Fix blocked thread on the single-instance plugin for MacOS: replace standard `UnixListener` with `tokio::net::UnixListener`, so the task can yield.