Fix bzlmod examples on windows (#2454)

On windows (and some other platforms), the file extension of cargo,
rustc, etc have an extension. The module extension for loading crates
did not take this into account, causing it to error on windows.

Additionally, when using bzlmod to build vendored crates, the runfiles
tree would exceed the 260 char windows path limit. To mitigate this, I
have shortened the internal_deps module extension to just `i` and
changed the build script suffix to `_bs` from `_build_script`. This
makes the path names below the 260 char limit.

This makes the bzlmod CI run on windows, to avoid regressing this.
Currently gen_rust_project does not run on windows for other reasons,
although we do build this.
311 files changed
tree: 48677317d862a33b5551815c0c721d71c790294d
  1. .bazelci/
  2. .bcr/
  3. .github/
  4. bindgen/
  5. cargo/
  6. crate_universe/
  7. docs/
  8. examples/
  9. ffi/
  10. nix/
  11. proto/
  12. rust/
  13. test/
  14. tools/
  15. util/
  16. wasm_bindgen/
  17. .bazelignore
  18. .bazelrc
  19. .clang-format
  20. .envrc
  21. .gitattributes
  22. .gitignore
  23. .prettierrc.toml
  24. .rustfmt.toml
  25. ARCHITECTURE.md
  26. AUTHORS
  27. BUILD.bazel
  28. CODEOWNERS
  29. COMPATIBILITY.md
  30. CONTRIBUTING.md
  31. CONTRIBUTORS
  32. LICENSE.txt
  33. MODULE.bazel
  34. README.md
  35. version.bzl
  36. WORKSPACE.bazel
README.md

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