feat(c/driver_manager): don't ignore invalid manifests

[lidavidm]

Fixes #3398.

[lidavidm]

@amoeba how does this work for you?

I think the one case that isn't handled, though, is if it finds a manifest, the manifest is valid, but the manifest doesn't contain a path for the current platform.

[zeroshade]

Don't forget to update the version in the go codebase (precommit checks for it) and the original reason why I returned "NOT_FOUND" in this case was so that it would keep searching if it encountered an invalid manifest rather than error immediately.

[lidavidm]

I figured, but I'm asking if silently ignoring invalid manifests is really the behavior we want. And yes, this PR is incomplete

[lidavidm]

This is a bit unwieldy but I think it's better to just preserve all info even if it's a bit ugly:

[Driver Manager] dlopen() failed: sqlite: cannot open shared object file: No such file or directory
dlopen() failed: libsqlite.so: cannot open shared object file: No such file or directory
Also searched these paths for manifests:
	not set: ADBC_DRIVER_PATH
	additional search path: /tmp/adbc_driver_manager_test
	not enabled at build time: Conda prefix
	found /tmp/adbc_driver_manager_test/sqlite.toml but:[Driver Manager] Driver path not found in manifest '/tmp/adbc_driver_manager_test/sqlite.toml' for current architecture 'linux_amd64'. Architectures found: non-existent windows-alpha64
	does not exist: /home/lidavidm/.config/adbc/drivers
	does not exist: /etc/adbc/drivers

[lidavidm]

adbc_driver_manager.ProgrammingError: NOT_FOUND: [Driver Manager] dlopen() failed: testdriver: cannot open shared object file: No such file or directory
dlopen() failed: libtestdriver.so: cannot open shared object file: No such file or directory
Also searched these paths for manifests:
	ADBC_DRIVER_PATH: /home/lidavidm/Code/arrow-adbc
	not enabled at build time: Conda prefix
	found /home/lidavidm/Code/arrow-adbc/testdriver.toml but: [Driver Manager] dlopen() failed: sqlite: cannot open shared object file: No such file or directory
dlopen() failed: libsqlite.so: cannot open shared object file: No such file or directory
	does not exist: /home/lidavidm/.config/adbc/drivers
	does not exist: /etc/adbc/drivers

[lidavidm]

@amoeba @ianmcook see the new error messages here + new Python integration test

[lidavidm]

Also @zeroshade the go file consistency check has been broken for a while it appears so I fixed that too

[lidavidm]

welp I managed to guess the problem after all

[zeroshade]

just the one nitpick, but everything looks great, thanks!

[amoeba]

+1

Tested interactively and this is working great. Thanks for figuring this out.