docs: add Priceline to USERS.md

[akorzy-pl]

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.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

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

See analysis details on SonarCloud

[github-actions]

Published E2E Test Results

  4 files    4 suites   3h 26m 52s ⏱️
111 tests 101 ✅  6 💤 4 ❌
448 runs  420 ✅ 24 💤 4 ❌

For more details on these failures, see this check.

Results for commit e25f1a3.

[github-actions]

Published Unit Test Results

2 174 tests   2 174 ✅  2m 54s ⏱️
  119 suites      0 💤
    1 files        0 ❌

Results for commit e25f1a3.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 84.24%. Comparing base (708db68) to head (e25f1a3).
Report is 73 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3764      +/-   ##
==========================================
- Coverage   84.27%   84.24%   -0.03%     
==========================================
  Files         154      154              
  Lines       18025    18025              
==========================================
- Hits        15191    15186       -5     
- Misses       1995     1998       +3     
- Partials      839      841       +2     

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