Add troubleshooting step for "Not connected" problems on Raspberry Pi… #1799

Job	Run time
Build and test (ubuntu-latest, 3.8)	17s
Build and test (ubuntu-latest, 3.9)	15s
Build and test (ubuntu-latest, 3.10)	15s
Build and test (ubuntu-latest, 3.11)	16s
Build and test (ubuntu-latest, 3.12)	19s
Build and test (ubuntu-latest, 3.13-dev)	1m 11s
Build and test (windows-latest, 3.8)	1m 16s
Build and test (windows-latest, 3.9)	1m 2s
Build and test (windows-latest, 3.10)	49s
Build and test (windows-latest, 3.11)	1m 15s
Build and test (windows-latest, 3.12)	1m 49s
Build and test (windows-latest, 3.13-dev)	1m 32s
Build and test (macos-latest, 3.8)	48s
Build and test (macos-latest, 3.9)	24s
Build and test (macos-latest, 3.10)	20s
Build and test (macos-latest, 3.11)	25s
Build and test (macos-latest, 3.12)	27s
Build and test (macos-latest, 3.13-dev)	24s
	13m 4s

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