python3-rpds-py: upgrade 0.18.1 -> 0.20.0

python3-rpds-py: upgrade 0.18.1 -> 0.20.0

https://github.com/crate-py/rpds/compare/v0.20.0...v0.18.1

v0.20.0
  * Implements __hash__ for collections by @FlickerSoul in #81

v0.19.1
  * Make Python versions in GitHub Actions consistent by @rominf in #80

v0.19.0
  * deps: bump libc from 0.2.147 to 0.2.155 by @wxpppp in #74
  * Make Python 3.13 Compatible by @FlickerSoul in #79

Signed-off-by: Tim Orling <tim.orling@konsulko.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>