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>

bin/update_nodejs.py

@@ -1,4 +1,13 @@
-#!/usr/bin/env python3
+#!/usr/bin/env -S uv run --script
+
+# /// script
+# dependencies = [
+#   "click",
+#   "packaging",
+#   "requests",
+#   "rich",
+# ]
+# ///
 
 
 import dataclasses