[NO-TICKET] simplify and fix CI

[anmarchenko]

What does this PR do? Fixes and simplifies failing CI for this library:

• updates all CI dependencies
• updates jruby-9.4 image to version 9.4.7.0
• remove Datadog Agent from CI and from local docker compose

Motivation Tests with JRuby 9.4.0.0 started to fail

How to test the change? CI jobs are green

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 98.94%. Comparing base (b94ef15) to head (4022d4e). Report is 13 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #179 +/- ## ========================================== - Coverage 98.98% 98.94% -0.04% ========================================== Files 205 205 Lines 9827 9688 -139 Branches 437 445 +8 ========================================== - Hits 9727 9586 -141 - Misses 100 102 +2 ```

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