* v1beta3 spec can be read by preflight
* added test files for ease of testing
* updated v1beta3 guide doc and added tests
* fixed not removing tmp files from v1beta3 processing
* created v1beta2 to v1beta3 converter
* chore: make specs an internal package
* Some minor improvements
* Use LoadClusterSpecs in support bundle implementation
* Remove change accidentally committed
* Use LoadFromCLIArgs in preflight CLI implementation
* Update comment
* Fix edge case where the label selector is an empty string
* Fix failing test
* feat: add loader APIs to load specs from a list of yaml docs
The change introduces a loader package that will contain loader
public APIs. The aim of these APIs will be to, given any source of
troubleshoot specs, the loaders will fetch the specs and parse out
all troubleshoot objects that can be extracted.
* Some refactoring
* Some more changes
* More changes caught when testing vendor portal
* Add tests and rename Troubleshoot kinds struct
* Additional test
* Handle ConfigMap and Secrets with multiple specs in them
* Fix failing test
* Revert multidoc split implementation
* Fix merge conflict
* Change LoadFromXXX functions to a single LoadSpecs function
* we can now read preflight specs out of secrets, either from stdin or file input
* moved spec read logic out into its own function so it can be unit
tested easier
* added more comprehensive unit testing on the different ways we can read in specs