Fix action_env for ipa post processor

[MIP9]

Environment variables that provided by --action_env flag are not accessible on ipa_post_processor .sh script.

There is fix for it.

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[thii]

@MIP9 Can you sign the CLA?

[thii]

Can you rebase off master? Looks like buildifier is reporting outdated warnings from an old revision.

Other CI issues are probably related to the current GitHub's incident.

[keith]

this is also being fixed in bazel with https://github.com/bazelbuild/bazel/pull/18235/

[acecilia]

@keith Does this PR still make sense? Or do you think better leave as is and wait for bazel 6.4.0?

[keith]

yea that's a good question, can you test with 6.4 and see if it really does fix it?

[acecilia]

Seems the cherrypick did not make it to 6.4.0 yet, and the commit has not been built with bazel ci (so there is no prebuilt bazel binary), so I am not sure how to test it atm 😅

[thii]

If you use bazelisk you can set last_green as a version and try that.

[thii]

Or build a bazel binary with that patch.

[keith]

note that with bazel 7.x HEAD of rules_apple now enables that env for all actions (or tries too, possible I missed some)