v0.7.0-rc2

We expect this to be our final release candidate before launching v0.7.0. This
release candidate includes a variety of clarifications and conformance updates.
The changelog below represents the changes since v0.7.0-rc1.

Changes by Kind

Spec Clarification

• Port redirect when empty will depend on the configured Redirect scheme (#1880,
  @gauravkghildiyal)

Conformance

• Remove a test that only covered redirect status without any other changes.
  (#2007, @robscott)
• Port redirect when empty will depend on the configured Redirect scheme (#1880,
  @gauravkghildiyal)

Validation Fixes

• Webhook: Port is now considered when validating that ParentRefs are unique
  (#1995, @howardjohn)