fix(makefile): added needed export vars

[haarchri]

Signed-off-by: haarchri chhaar30@googlemail.com

Description of your changes

• added needed export vars like other providers-jet

Fixes #

I have:

• [x] Read and followed Crossplane's contribution process.
• [x] Run make reviewable test to ensure this PR is ready for review.

How has this code been tested

[haarchri]

@muvaf something more required here ?