Add `io.kestra.plugin.core.execution.Delete` core task allowing to delete execution

[skayliu]

Feature description

id: delete-specific-execution
namespace: company.team

tasks:
  - id: delete_execution
    type: io.kestra.plugin.kestra.executions.Delete
    executionId: "{{ vars.targetExecutionId }}"
    deleteLogs: true
    deleteMetrics: true
    deleteStorage: true