fix: deduplicate OpenAPI definitions for GVKParser (#587)

* fix: deduplicate OpenAPI definitions for GVKParser

Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com>

* do the thing that was the whole point

Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com>

* more logs

Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com>

* don't uniquify models

Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com>

* schema for both

Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com>

* more logs

Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com>

* fix logic

Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com>

* better tainted gvk handling, better docs, update mocks

Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com>

* add a test

Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com>

* improvements from comments

Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com>

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Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com>