doc: added a note on pulling task image from private repo

[adelmoradian]

Changes

Added a note on pulling task image from private repo.

/kind documentation

Submitter Checklist

As the author of this PR, please check off the items in this checklist:

• Has Docs included if any changes are user facing
• Has Tests included if any functionality added or changed
• Follows the commit message standard
• Meets the Tekton contributor standards (including
  functionality, content, code)
• Has a kind label. You can add one by adding a comment on this PR that contains /kind <type>. Valid types are bug, cleanup, design, documentation, feature, flake, misc, question, tep
• Release notes block below has been updated with any user facing changes (API changes, bug fixes, changes requiring upgrade notices or deprecation warnings)
• Release notes contains the string "action required" if the change requires additional action from users switching to the new release

Release Notes

NONE

[linux-foundation-easycla]

The committers listed above are authorized under a signed CLA.

• ✅ login: adelmoradian (f0a3b3f)

[tekton-robot]

Hi @adelmoradian. Thanks for your PR.

I'm waiting for a tektoncd member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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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.

[adelmoradian]

/assign @jerop

[jerop]

@adelmoradian please sign the CLA: #6426 (comment)

[jerop]

Thanks for the contribution @adelmoradian, and welcome to the Tekton community!

/meow

Please add more details in the commit message, for example:

doc: added a note on pulling task image from private repo

if a task uses an image from a private repo, then `imagePullSecrets`
must be provided at runtime - added note to the tasks docs 

Standards: https://github.com/tektoncd/community/blob/main/standards.md#commit-messages

[tekton-robot]

@jerop:

In response to this:

Thanks for the contribution @adelmoradian, and welcome to the Tekton community!

/meow

Please add more details in the commit message, for example:

doc: added a note on pulling task image from private repo

if a task uses an image from a private repo, then `imagePullSecrets`
must be provided at runtime - added note to the tasks docs 

Standards: https://github.com/tektoncd/community/blob/main/standards.md#commit-messages

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.

[adelmoradian]

@jerop amended the commit message and signed the CLA!

[dibyom]

/ok-to-test

[jerop]

thanks @adelmoradian!

[tekton-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: jerop

The full list of commands accepted by this bot can be found here.

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• OWNERS [jerop]

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[afrittoli]

/lgtm