Add methods for validating aspects of PCZT bundles #3262

Job	Run time
Book tests	13s
Bitrot check	1m 59s
Latest build on ubuntu-latest	54s
Build target wasm32-wasi	1m 27s
Latest build on windows-latest	2m 46s
Code coverage	9m 9s
Latest build on macOS-latest	1m 0s
Intra-doc links	2m 13s
Rustfmt	15s
Test on ubuntu-latest	9m 59s
Test on windows-latest	11m 55s
Test on macOS-latest	7m 53s
	49m 43s

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