Rust error in Docker, libLLVM-15-rust-1.66.0-stable.so

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When running in Docker (ubuntu or debian based images) PyOxidizer fails with:

```bash
error[PYOXIDIZER_PYTHON_EXECUTABLE]: adding PythonExecutable to FileManifest

Caused by:
0: building Python executable
1: resolving Rust toolchain
2: error from command -- stderr:

/root/.cache/pyoxidizer/rust/1.66.0-x86_64-unknown-linux-gnu/bin/rustc: error while loading shared libraries: libLLVM-15-rust-1.66.0-stable.so: cannot enable executable stack as shared object requires: Invalid argument

stderr:

--> ./pyoxidizer.bzl:37:5
|
37 | m.add_python_resource(".", exe)
```

Dockerfile sample fragment:

```dockerfile
FROM rust:bookworm as builder

WORKDIR /home

RUN apt-get update && apt-get install -y wget python3 build-essential

RUN rustup target add x86_64-unknown-linux-musl

RUN wget https://github.com/indygreg/PyOxidizer/releases/download/pyoxidizer%2F0.24.0/pyoxidizer-0.24.0-x86_64-unknown-linux-musl.tar.gz
RUN tar -xzf pyoxidizer-0.24.0-x86_64-unknown-linux-musl.tar.gz
RUN mv pyoxidizer-0.24.0-x86_64-unknown-linux-musl/pyoxidizer /usr/local/bin/
RUN rm -rf pyoxidizer-0.24.0-x86_64-unknown-linux-musl.tar.gz pyoxidizer-0.24.0-x86_64-unknown-linux-musl

ADD pyoxidizer.bzl /home/pyoxidizer.bzl
ADD cli/ /home/cli/
ADD lib/schemas/ /home/lib/schemas/

RUN pyoxidizer build --release
```

Start with the Dockerfile fragment and the failure at pyoxidizer.bzl:37, then reproduce `pyoxidizer build --release` in the shown Ubuntu or Debian-based container. Investigate the bundled Rust toolchain's libLLVM-15-rust-1.66.0-stable.so and the executable-stack loading error. Done means the sample Docker build completes without this Rust library error.

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