Upgrade toolchain used for running hooks to v3.1 (#59) #52

Job	Run time
Check formatting (3.12)	16s
Check formatting (3.11)	17s
Check for erroneous constructs (3.12)	27s
Check Markdown links	12s
Check for erroneous constructs (3.11)	31s
Run tests (3.11)	2m 16s
Run tests (3.12)	2m 8s
Make pip packages	19s
Make Standalone	43s
Publish to PyPi	0s
Add ${{ matrix.artifact }} to release	0s
	7m 9s

Provide feedback