MAINT: Rework pyproject and fix documentation build (#39)

* MAINT: Update pdm lockfile

* MAINT: Remove black, switch to py3.8

* MAINT: Update pyproject and sync with asv

* MAINT: Use dynamic versions

* MAINT: Switch back to 3.7

* DOC: Link to the development page

.github/workflows/build_wheels.yml

@@ -15,7 +15,7 @@ jobs:
 
  - uses: actions/setup-python@v4
  with:
- python-version: '3.7'
+ python-version: '3.8'
  - run: pip wheel -w ./wheelhouse/ .
 
  - uses: actions/upload-artifact@v3

.gitignore

@@ -164,3 +164,4 @@ cython_debug/
 .pdm-python
 /docs/source/CHANGELOG.md
 /docs/html/
+/asv_runner/_version.py

changelog.d/39.misc.md

@@ -0,0 +1,2 @@
+The lowest supported version of `python` for building the `asv_runner` documentation is now `3.8`, since `3.7` has been EOL for [many months
+now](https://endoflife.date/python).

docs/source/index.md

@@ -24,6 +24,7 @@ measure and analyze the performance of your Python packages.
 
 apidocs/index
 bplugin-list
+development/benchmark_plugins
 CHANGELOG
 ```