chore: add PEP 723 metadata for various bin/ scripts, drop bin dependency group (#2819)

* Add PEP 723 metadata for various `bin` scripts

* Use a subprocess to install chromium

* Regenerate image

* Update shebangs

Co-Authored-By: Henry Schreiner <HenrySchreinerIII@gmail.com>

* Add cibuildwheel local dependency for some scripts

Co-Authored-By: Henry Schreiner <HenrySchreinerIII@gmail.com>

* Remove `bin` dependency group fully

* Add CSS for styling the diagram

Co-Authored-By: Joe Rickerby <1244307+joerick@users.noreply.github.com>

* Restore image to original

* Install `uv` for PyLint to find it

* Drop setup-python too in favour of setup-uv

* Revert "Drop setup-python too in favour of setup-uv"

This reverts commit 663db5c253f18bd09229ea5dbf92f7f6aa8ebf1c.

* Make `uv` venv backend for nox optional again

---------

Co-authored-by: Henry Schreiner <HenrySchreinerIII@gmail.com>
Co-authored-by: Joe Rickerby <1244307+joerick@users.noreply.github.com>

.github/workflows/test.yml

@@ -43,14 +43,12 @@ jobs:
       with:
         persist-credentials: false
     - uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
-      id: python
       with:
         python-version: "3.x"
+    - uses: astral-sh/setup-uv@37802adc94f370d6bfd71619e3f0bf239e1f3b78 # v7.6.0
     - uses: j178/prek-action@53276d8b0d10f8b6672aa85b4588c6921d0370cc # v2.0.1
     - name: PyLint checks
-      run: pipx run --python "${STEPS_PYTHON_OUTPUTS_PYTHON_PATH}" nox -s pylint -- --output-format=github
-      env:
-        STEPS_PYTHON_OUTPUTS_PYTHON_PATH: ${{ steps.python.outputs.python-path }}
+      run: uvx nox -s pylint -- --output-format=github
 
   sample:
     name: Generate a sample project