[Bug]: Support task reexport

[thesayyn]

What happened?

With #1052 we are essentially breaking task reexporting with a different name due to how we store task values on the heap. (no longer cloning) therefore this pattern does not work and needs a better api to support it.

Version

Development (host) and target OS/architectures:

Output of bazel --version:

Version of the Aspect rules, or other relevant rules from your
WORKSPACE or MODULE.bazel file:

Language(s) and/or frameworks involved:

How to reproduce

Any other information?

No response