[9.0.2] Fix launcher/launcher_maker for cross build (https://github.com/bazelbuild/bazel/pull/29200) (#29238)

### Description

Fix launcher/launcher_maker for cross build. launcher will be used in
the build output, so it should use cfg=target. launcher_maker is used to
combine a binary for target and launcher for target into the final
output at build time, so it should use cfg=exec.

### Motivation

To make py_binary launcher work when building on linux (exec) for
windows (target).

### Build API Changes

No

### Checklist

- [ ] I have added tests for the new use cases (if any).
- [ ] I have updated the documentation (if applicable).

### Release Notes

RELNOTES: Fix launcher/launcher_maker for cross build, e.g. build
windows binary on linux machine.

Closes #29200.

PiperOrigin-RevId: 895761405
Change-Id: I0b3dd3431d25fb4fb9ea827f344eb5cf42c11276

Commit
https://github.com/bazelbuild/bazel/commit/4ff312727ec3eedb4f1206127393819917ec2714

Co-authored-by: Boleyn Su <boleyn.su@gmail.com>
3 files changed
tree: f18aefbb327b38393370d46c934d7b676e148ded
  1. .bazelci/
  2. .github/
  3. docs/
  4. examples/
  5. scripts/
  6. site/
  7. src/
  8. third_party/
  9. tools/
  10. .bazelrc
  11. .bazelversion
  12. .gitattributes
  13. .gitignore
  14. AUTHORS
  15. bazel_downloader.cfg
  16. BUILD
  17. CHANGELOG.md
  18. CODE_OF_CONDUCT.md
  19. CODEOWNERS
  20. combine_distfiles.py
  21. combine_distfiles_to_tar.sh
  22. compile.sh
  23. CONTRIBUTING.md
  24. CONTRIBUTORS
  25. distdir.bzl
  26. extensions.bzl
  27. LICENSE
  28. maven_install.json
  29. MODULE.bazel
  30. MODULE.bazel.lock
  31. README.md
  32. repositories.bzl
  33. requirements.txt
  34. SECURITY.md
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