feat(metricprovider): Add basic authentication in the prometheus provider. Fixes #4385

[dromadaire54]

Checklist:

• Either (a) I've created an enhancement proposal and discussed it with the community, (b) this is a bug fix, or (c) this is a chore.
• The title of the PR is (a) conventional with a list of types and scopes found here, (b) states what changed, and (c) suffixes the related issues number. E.g. "fix(controller): Updates such and such. Fixes #1234".
• I've signed my commits with DCO
• I have written unit and/or e2e tests for my change. PRs without these are unlikely to be merged.
• My builds are green. Try syncing with master if they are not.
• My organization is added to USERS.md.

[github-actions]

Published E2E Test Results

  4 files    4 suites   3h 45m 6s ⏱️
120 tests 106 ✅  7 💤  7 ❌
494 runs  453 ✅ 28 💤 13 ❌

For more details on these failures, see this check.

Results for commit 46b249a.

♻️ This comment has been updated with latest results.

[github-actions]

Published Unit Test Results

2 445 tests   2 445 ✅  3m 18s ⏱️
  129 suites      0 💤
    1 files        0 ❌

Results for commit 46b249a.

♻️ This comment has been updated with latest results.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
24.9% Duplication on New Code

See analysis details on SonarQube Cloud

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
24.9% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 84.92%. Comparing base (4919fcd) to head (46b249a).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4401      +/-   ##
==========================================
- Coverage   84.94%   84.92%   -0.02%     
==========================================
  Files         164      164              
  Lines       18954    18959       +5     
==========================================
+ Hits        16100    16101       +1     
- Misses       2000     2002       +2     
- Partials      854      856       +2     

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
21.4% Duplication on New Code

See analysis details on SonarQube Cloud

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
21.4% Duplication on New Code

See analysis details on SonarQube Cloud