Use official web3j gradle plugin

[kselveliev]

Description: Use official web3j plugin

This pr adds buildSrc - remove jitpack dependecy and use the official link of web3j plugin 4.12.2 updated web3j core to 4.12.2

Related issue(s):

Fixes #9485

Notes for reviewer:

Checklist

• [ ] Documented (Code comments, README, etc.)
• [ ] Tested (unit, integration, etc.)

[sonarcloud[bot]]

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

[codecov[bot]]

Codecov Report

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

Project coverage is 92.57%. Comparing base (19d22d2) to head (7e2e137). Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #9486 +/- ## ========================================= Coverage 92.57% 92.57% Complexity 7047 7047 ========================================= Files 915 915 Lines 29870 29870 Branches 3773 3773 ========================================= Hits 27653 27653 Misses 1446 1446 Partials 771 771 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.