CLP-163 Move Renovate config to .github/renovate.json

[vdiez]

Part of CLP-11.

This PR normalizes the Renovate config location to .github/renovate.json without changing effective Renovate behavior.

Expected current effective delta:

• none

---

Summary by Gitar

• Renovate Configuration:
  • Moved configuration from renovate.json5 to .github/renovate.json.
  • Updated Renovate preset to github>SonarSource/renovate-config:quality-corelang-squad.

_{This will update automatically on new commits.}

[sonarqube-next]

Quality Gate passed

Issues
0 New issues
0 Fixed issues
0 Accepted issues

Measures
0 Security Hotspots
0 Dependency risks
No data about Coverage
No data about Duplication

See analysis details on SonarQube

[pavel-mikula-sonarsource]

LGTM

[gitar-bot]

Code Review ✅ Approved

Consolidates Renovate configuration into the .github directory to standardize maintenance workflows. No issues found.

Options

Auto-apply is off → Gitar will not commit updates to this branch.
Display: compact → Showing less information.

Comment with these commands to change the behavior for this request:

Auto-apply	Compact
gitar auto-apply:on	gitar display:verbose

_{Was this helpful? React with 👍 / 👎 | Gitar}