Include examples/bzlmod in release tgz for BCR presubmit

[dtolnay]

Fixes #2378.

$ tar -czf .github/rules_rust.tar.gz --exclude=".git" --exclude=".github" --exclude="crate_universe/target" examples/bzlmod --exclude="examples" .

$ tar tf .github/rules_rust.tar.gz | rg examples
examples/bzlmod/
examples/bzlmod/hello_world/
examples/bzlmod/hello_world/WORKSPACE.bzlmod
examples/bzlmod/hello_world/hello_world_test.sh
examples/bzlmod/hello_world/.gitignore
examples/bzlmod/hello_world/WORKSPACE.bazel
examples/bzlmod/hello_world/src/
examples/bzlmod/hello_world/src/main.rs
examples/bzlmod/hello_world/BUILD.bazel
examples/bzlmod/hello_world/MODULE.bazel
examples/bzlmod/hello_world/third-party/
examples/bzlmod/hello_world/third-party/Cargo.lock
examples/bzlmod/hello_world/third-party/BUILD.bazel
examples/bzlmod/hello_world/third-party/extension.bzl
examples/bzlmod/hello_world/third-party/crates/
examples/bzlmod/hello_world/third-party/crates/defs.bzl
examples/bzlmod/hello_world/third-party/crates/BUILD.anyhow-1.0.77.bazel
examples/bzlmod/hello_world/third-party/crates/crates.bzl
examples/bzlmod/hello_world/third-party/crates/BUILD.bazel
examples/bzlmod/hello_world/third-party/crates/alias_rules.bzl
examples/bzlmod/hello_world/third-party/Cargo.toml
examples/bzlmod/hello_world/.bazelrc

[illicitonion]

Thanks!

[csmulhern]

I think we need a 0.36.2 with this change included, in order to get 0.36 into BCR.

[UebelAndre]

I think we need a 0.36.2 with this change included, in order to get 0.36 into BCR.

I created #2382