chore: bump the dev-dependencies group across 1 directory with 3 updates

Updates the requirements on [pyzmq](https://github.com/zeromq/pyzmq), [pyright](https://github.com/RobertCraigie/pyright-python) and [sphinx](https://github.com/sphinx-doc/sphinx) to permit the latest version.

Updates `pyzmq` from 26.3.0 to 27.1.0
- [Release notes](https://github.com/zeromq/pyzmq/releases)
- [Commits](zeromq/pyzmq@v26.3.0...v27.1.0)

Updates `pyright` from 1.1.406 to 1.1.407
- [Release notes](https://github.com/RobertCraigie/pyright-python/releases)
- [Commits](RobertCraigie/pyright-python@v1.1.406...v1.1.407)

Updates `sphinx` to 8.2.3
- [Release notes](https://github.com/sphinx-doc/sphinx/releases)
- [Changelog](https://github.com/sphinx-doc/sphinx/blob/master/CHANGES.rst)
- [Commits](sphinx-doc/sphinx@v0.1.61611...v8.2.3)

---
updated-dependencies:
- dependency-name: pyzmq
  dependency-version: 27.1.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: dev-dependencies
- dependency-name: pyright
  dependency-version: 1.1.407
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dev-dependencies
- dependency-name: sphinx
  dependency-version: 8.2.3
  dependency-type: direct:production
  dependency-group: dev-dependencies
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pyproject.toml

@@ -28,7 +28,7 @@ dependencies = [
     "aiohttp",
     "redis",
     "scanspec>=0.7.3",
-    "pyzmq==26.3.0",                  # Until we can move to RHEL 8 https://github.com/DiamondLightSource/mx-bluesky/issues/1139
+    "pyzmq==27.1.0",                  # Until we can move to RHEL 8 https://github.com/DiamondLightSource/mx-bluesky/issues/1139
     "deepdiff",
     "daq-config-server>=v1.0.0-rc.2", # For getting Configuration settings.
 ]
@@ -54,14 +54,14 @@ dev = [
     "psutil",
     "pydata-sphinx-theme>=0.12",
     # Pin to previous pyright until https://github.com/microsoft/pyright/issues/11060 is fixed
-    "pyright==1.1.406", 
+    "pyright==1.1.407", 
     "pytest",
     "pytest-asyncio",
     "pytest-cov",
     "pytest-json-report",
     "pytest-random-order",
     "ruff",
-    "sphinx<7.4.6",              #  pinned due to https://github.com/sphinx-doc/sphinx/issues/12660
+    "sphinx<8.2.4",              #  pinned due to https://github.com/sphinx-doc/sphinx/issues/12660
     "sphinx-autobuild",
     "sphinx-copybutton",
     "sphinxcontrib-mermaid",