fixed hauler login typo

[zackbradys]

Please check below, if the PR fulfills these requirements:

• Commit(s) and code follow the repositories guidelines.
• Test(s) have been added or updated to support these change(s).
• Doc(s) have been added or updated to support these change(s).

Associated Links:

• N/A

Types of Changes:

• Bugfix

Proposed Changes:

• Updated hauler login to change BoolVarP to BoolVar due to typo/no shorthand flag for --password-stdin

Verification/Testing of Changes:

• Clone the repository and locally build hauler and run hauler login

Additional Context:

• N/A

[atoy3731]

Tested, LGTM.

[09:10:38] /tmp/hauler/bin [fixed-hauler-login-typo] $ echo 'REDACTED' | ./hauler login REDACTED -u user --password-stdin
2024-08-23 09:10:44 INF auth.go:274: logged in via /Users/REDACTED/.docker/config.json
[09:10:44] /tmp/hauler/bin [fixed-hauler-login-typo] $ hauler store add image REDACTED/REDACTED:REDACTED
2024-08-23 09:10:45 INF adding 'image' [REDACTED/REDACTED:REDACTED] to the store
2024-08-23 09:10:50 INF successfully added 'image' [REDACTED/REDACTED:REDACTED]