Fix flaky TestAccSimpleTs test

[thomas11]

Hopefully fix the very flaky test TestAccSimpleTs. Fixes #3813.

I ran this version of the test in a loop and it succeeded 16 times in a row (each run is 5-6 minutes).

Commits are logically separate:

• Update examples to latest p/p
• Show diff when test fails preview
• WebAppSlot bugfix: look up correct resource. Most likely had no impact.
• Update ignoreChanges for siteConfig in WebApp/WebAppSlot to ensure proper handling of site configuration during refresh-update cycles.

[github-actions]

Does the PR have any schema changes?

Looking good! No breaking changes found.
No new resources/functions.

[mjeffryes]

LGTM

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 57.01%. Comparing base (7555e20) to head (14589ea).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
...der/pkg/resources/customresources/custom_webapp.go	50.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #3830   +/-   ##
=======================================
  Coverage   57.01%   57.01%           
=======================================
  Files          78       78           
  Lines       12041    12041           
=======================================
  Hits         6865     6865           
  Misses       4676     4676           
  Partials      500      500           

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[pulumi-bot]

This PR has been shipped in release v2.81.0.