chore: known issues 7.2.0 – March 4 (#14596)

# Overview

Added a couple known issues that won't be addressed in 7.2.0.

# Review requests

Both issues sufficiently and accurately summarized?

app-shell/build/release-notes.md

@@ -26,6 +26,11 @@ The Linux version of the Opentrons App now requires Ubuntu 20.04 or newer.
 - The OT-2 now consistently applies tip length calibration. There used to be a height discrepancy between Labware Position Check and protocol runs. If you previously compensated for the inconsistent pipette height with labware offsets, re-run Labware Position Check to avoid pipette crashes.
 - The OT-2 now accurately calculates the position of the Thermocycler. If you previously compensated for the incorrect position with labware offsets, re-run Labware Position Check to avoid pipette crashes.
 
+### Known Issues
+
+- It's possible to start conflicting instrument detachment workflows when controlling one robot from multiple computers. Verify that the robot is idle before starting instrument detachment.
+- Robots may fail to reconnect after renaming them over a USB connection on Windows.
+
 ---
 
 ## Opentrons App Changes in 7.1.1