pgwire,authccl: use pgx for TestAuthenticationAndHBARules

[rafiss]

The lib/pq driver is not maintained. Since we started to see flakes related to how that driver does error handling for secure connections, we switch to pgx instead.

fixes #127745
fixes #131532
fixes #131110
fixes #133360

Release note: None

[cockroach-teamcity]

This change is 

[rafiss]

bors r+

[craig]

Build succeeded:

• windows_build
• examples_orms
• macos_arm64_build
• linux_amd64_build
• lint
• docker_image_amd64
• unit_tests
• linux_amd64_fips_build
• acceptance
• macos_amd64_build
• local_roachtest
• linux_arm64_build
• check_generated_code
• local_roachtest_fips

[blathers-crl]

Based on the specified backports for this PR, I applied new labels to the following linked issue(s). Please adjust the labels as needed to match the branches actually affected by the issue(s), including adding any known older branches.

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Issue #133360: branch-release-23.1, branch-release-23.2, branch-release-24.1, branch-release-24.2.

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Issue #127745: branch-release-23.2, branch-release-24.1, branch-release-24.2, branch-release-24.3.

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Issue #131532: branch-release-23.1, branch-release-23.2, branch-release-24.1, branch-release-24.2, branch-release-24.3.

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Issue #131110: branch-release-23.1, branch-release-24.1, branch-release-24.2, branch-release-24.3.

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_{🦉 Hoot! I am a Blathers, a bot for CockroachDB. My owner is dev-inf.}

[blathers-crl]

Encountered an error creating backports. Some common things that can go wrong:

1. The backport branch might have already existed.
2. There was a merge conflict.
3. The backport branch contained merge commits.

You might need to create your backport manually using the backport tool.

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error creating merge commit from f1808af to blathers/backport-release-23.1-135086: POST https://api.github.com/repos/cockroachdb/cockroach/merges: 409 Merge conflict []

you may need to manually resolve merge conflicts with the backport tool.

Backport to branch 23.1.x failed. See errors above.

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error creating merge commit from f1808af to blathers/backport-release-23.2-135086: POST https://api.github.com/repos/cockroachdb/cockroach/merges: 409 Merge conflict []

you may need to manually resolve merge conflicts with the backport tool.

Backport to branch 23.2.x failed. See errors above.

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error creating merge commit from f1808af to blathers/backport-release-24.1-135086: POST https://api.github.com/repos/cockroachdb/cockroach/merges: 409 Merge conflict []

you may need to manually resolve merge conflicts with the backport tool.

Backport to branch 24.1.x failed. See errors above.

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error creating merge commit from f1808af to blathers/backport-release-24.2-135086: POST https://api.github.com/repos/cockroachdb/cockroach/merges: 409 Merge conflict []

you may need to manually resolve merge conflicts with the backport tool.

Backport to branch 24.2.x failed. See errors above.

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error setting reviewers, but backport branch blathers/backport-release-24.3-135086 is ready: POST https://api.github.com/repos/cockroachdb/cockroach/pulls/135165/requested_reviewers: 422 Reviews may only be requested from collaborators. One or more of the teams you specified is not a collaborator of the cockroachdb/cockroach repository. []

Backport to branch 24.3.x failed. See errors above.

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_{🦉 Hoot! I am a Blathers, a bot for CockroachDB. My owner is dev-inf.}