Fix for blank certificate; more descriptive zip artifact name

[ptoman-cisco]

Desired Outcome

Fix the "ERROR: Authenticating to conjur at '....url.....' with account '...' and with login '....path/to/api/key....'. Failed to authenticate. Received status code: -2" for Conjur connections with a blank certificate (see https://github.com/cyberark/conjur-teamcity-plugin/issues/5#issuecomment-1073959028).

Implemented Changes

Connected Issue/Story

Still need to fix the main issue in #5.

Definition of Done

Changelog

• [x] This PR does not include user-facing changes and doesn't require a CHANGELOG update

Test coverage

• [x] The changes in this PR do not require tests

Documentation

• [x] This PR does not require updating any documentation

Behavior

• [x] No behavior was changed with this PR

Security

• [x] There are no security aspects to these changes

[ptoman-cisco]

Hello @izgeri, could you take a look at the PR please? Thanks!

[ptoman-cisco]

@jtuttle may I ask for a review please?

[jtuttle]

@pe-tr I will find someone to review this for you, sorry for the delay.