dumpyara: Align with extract-dtb upstream

[djchittoor]

• Fix path to extract-dtb script as per upstream relocation [1].
• Install Pablo Castellano's extract-dtb from PyPI [2].

[1] https://github.com/PabloCastellano/extract-dtb/commit/a553a3a6b7784d625d01a7e5e55ca3ea364ca636 [2] https://pypi.org/project/extract-dtb/

[djchittoor]

Bump @deadman96385 @akhilnarang

[danascape]

bump