feat: LogPipeline OTLP output base functionality

[TeodorSAP]

Description

Changes proposed in this pull request (what was done and why):

• Implement LogPipeline reconciliation logic for LogPipelines with OTLP output (Which spins-up LogGateways)
• Add a LogPipeline sample with OTLP output
• Implement LogPipleine status ConfigurationGenerated and GatewayHealthy conditions checks
• Add UTs and E2E tests for testing the basic flow

Changes refer to particular issues, PRs or documents:

• Have a first OTLP output available in the development release of a LogPipeline which activates a Log gateway #872

Left To Do / Follow-up:

• OTLP endpoint documented in the module CR status
• Validators added to the reconciliation logic
• AdditionalPrinterColumn added for GatewayHealthy condition, and NotRequired reason logic for Agent/Gateway (as we do for MetricPipeline)
• Self-monitoring for LogPipeline with OTLP output (+ FlowHealthy condition checks)

Traceability

• The PR is linked to a GitHub issue.
• The follow-up issues (if any) are linked in the Related Issues section.
• If the change is user-facing, the documentation has been adjusted.
• If a CRD is changed, the corresponding Busola ConfigMap has been adjusted.
• The feature is unit-tested.
• The feature is e2e-tested.

[k15r]

Please create the followup tickets for the controller refactoring

[TeodorSAP]

Follow-up Ticket For Controllers Refactoring:
#1644

[kyma-bot]

New changes are detected. LGTM label has been removed.