Add the instruction on how to use e2e-debug.sh in the doc

[Leo6Leo]

Problem
According to #7426, the new command to run single rekt test in the e2e-debug script has been added but the instruction on how to use it is missing from the DEVELOPMENT.md

Persona:
Contributors

Exit Criteria
A clear instruction is added to the DEVELOPMENT.md on how to run a single rekt test with the new e2e-debug script.

Time Estimate (optional):
How many developer-days do you think this may take to resolve? 1

Additional context (optional)
Add any other context about the feature request here.
#7204 has the instruction on how to use this new command

/good-first-issue
/help

[knative-prow]

@Leo6Leo:
This request has been marked as suitable for new contributors.

Please ensure the request meets the requirements listed here.

If this request no longer meets these requirements, the label can be removed
by commenting with the /remove-good-first-issue command.

In response to this:

Problem
According to #7426, the new command to run single rekt test in the e2e-debug script has been added but the instruction on how to use it is missing from the DEVELOPMENT.md

Persona:
Contributors

Exit Criteria
A clear instruction is added to the DEVELOPMENT.md on how to run a single rekt test with the new e2e-debug script.

Time Estimate (optional):
How many developer-days do you think this may take to resolve? 1

Additional context (optional)
Add any other context about the feature request here.
#7204 has the instruction on how to use this new command

/good-first-issue
/help

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[abhayporwals]

hey @Leo6Leo ! I would like to do this in the given timeline.
Anything else you want to share?

[Leo6Leo]

/assign @professorabhay
Nope! Leave the comment if you have any questions! Thanks for picking up this!