refactor!: implement generic `From<T>` for `DeviceTreeNode` #336

Job	Run time
Cargo check	15s
Clippy lint checks	19s
Minimal dependency versions build	21s
Code formatting checks	15s
Build with each feature combination	22s
Build & test (nightly, windows-latest)	1m 0s
Build & test (1.88, windows-latest)	55s
Build & test (stable, macos-latest)	28s
Build & test (1.88, ubuntu-latest)	26s
Build & test (stable, ubuntu-latest)	21s
Machete dependencies checks	1m 6s
Build & test (nightly, ubuntu-latest)	16s
Build & test (1.88, macos-latest)	39s
Build & test (stable, windows-latest)	1m 8s
Build & test (nightly, macos-latest)	37s
Miri test	1m 15s
	9m 43s

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