Co-authored-by: Steven Hartland <stevenmhartland@gmail.com>

Co-authored-by: Steven Hartland <stevenmhartland@gmail.com>

Simplify the connection handling in cockroachdb so that ConnectionString
can be used without the user doing extra work to handle TLS if enabled.

Deprecate TLSConfig which is no longer needed separately.

BREAKING_CHANGE: This now returns a registered connection string so is
no longer compatible with pgx.ParseConfig, use ConnectionConfig for this
use case instead.

Refactor cockroachdb module to to use request driven options,
simplifying the flow.

Various fixes and remove the ability to configure certs using the
default generated ones instead.

Add the missing data file and remove unused constants.

Extract TLS certificate wait strategy into a dedicated wait type so it
can be reused.

Implement walk method which can be used to identify wait strategies in
a request chain.

Use embed to simplify wait test loading of certs.

Remove the now unused customizer.

Fix lint style issue for blank line.

Clarified the impact of run defaults.