Adds support for new prop path_cookie_attribute on Access Applications

[AkemiDavisson]

Requires upstream PR before merge: cloudflare/cloudflare-go#1223

[github-actions]

Oops! It looks like no changelog entry is attached to this PR. Please include a release note as described in https://github.com/cloudflare/terraform-provider-cloudflare/blob/master/contributing/changelog-process.md.

Example:

```release-note:TYPE
Release note
```

If you do not require a release note to be included, please add the workflow/skip-changelog-entry label.

[github-actions]

Marking this pull request as stale due to 14 days of inactivity. This helps our maintainers find and focus on the active pull requests. If this pull request receives no comments in the next 7 days it will automatically be closed. Maintainers can also remove the lifecycle/stale label.
If this pull request was automatically closed and you feel this pull request should be reopened, we encourage creating a new pull request linking back to this one for added context. Thank you!

[github-actions]

This PR was closed because it has been stalled for 7 days with no activity.