[UX-66] rpk: save crash information in rpk debug bundle

[r-vasquez]

This PR adds the capability to rpk to collect both the startup_log file and the crash_reports directory if it's present in the data directory, otherwise it will skip the step and move forward with the bundle collection.

Fixes UX-66

Backports Required

• none - not a bug fix
• none - this is a backport
• none - issue does not exist in previous branches
• none - papercut/not impactful enough to backport
• v24.3.x
• v24.2.x
• v24.1.x

Release Notes

Features

• rpk debug bundle will now collect the startup_log file and crash_reports directory if they are present in the data directory.

[vbotbuildovich]

Retry command for Build#60613

please wait until all jobs are finished before running the slash command

/ci-repeat 1
tests/rptest/tests/rbac_test.py::RolePersistenceTest.test_role_survives_restart
tests/rptest/tests/rpk_debug_bundle_test.py::RpkDebugBundleTest.test_debug_bundle

[vbotbuildovich]

CI test results

test results on build#60613

test_id	test_kind	job_url	test_status	passed
idempotency_tests_rpunit.idempotency_tests_rpunit	unit	https://buildkite.com/redpanda/redpanda/builds/60613#019452c1-83ad-4258-888f-692d80f6ace9	FLAKY	1/2
rptest.tests.partition_reassignments_test.PartitionReassignmentsTest.test_reassignments_kafka_cli	ducktape	https://buildkite.com/redpanda/redpanda/builds/60613#01945303-8f62-4cc2-85df-081af4a673ab	FLAKY	4/6
rptest.tests.partition_reassignments_test.PartitionReassignmentsTest.test_reassignments_kafka_cli	ducktape	https://buildkite.com/redpanda/redpanda/builds/60613#01945308-4865-47db-8518-d44bc9005cf2	FLAKY	4/6
rptest.tests.rbac_test.RolePersistenceTest.test_role_survives_restart	ducktape	https://buildkite.com/redpanda/redpanda/builds/60613#01945303-8f5e-41f4-ad7c-fda281be437c	FAIL	0/1
rptest.tests.rpk_debug_bundle_test.RpkDebugBundleTest.test_debug_bundle	ducktape	https://buildkite.com/redpanda/redpanda/builds/60613#01945303-8f61-4544-94fc-7a9d2ea84ded	FAIL	0/1
rptest.tests.rpk_debug_bundle_test.RpkDebugBundleTest.test_debug_bundle	ducktape	https://buildkite.com/redpanda/redpanda/builds/60613#01945308-4864-44ca-ab54-63d72cccb8b5	FAIL	0/1