Fix/documentation workflow

[rugeli]

Problem

What is the problem this work solves, including
closes #310

Solution

What I/we did to solve this problem

• updated documentation workflow to use deploy-pages

Type of change

Please delete options that are not relevant.

• New feature (non-breaking change which adds functionality)

Steps to Verify:

1. Merge to main
2. the new github action should run
3. (We can do tests/fixes if any errors up)

[github-actions]

Packing analysis report

Analysis for packing results located at cellpack/tests/outputs/test_spheres/spheresSST

Ingredient name	Encapsulating radius	Average number packed
ext_A	25	236.0

Packing image

Distance analysis

Expected minimum distance: 50.00
Actual minimum distance: 50.01

Ingredient key	Pairwise distance distribution
ext_A

[mogres]

I test ran the github action by temporarily adding fix/documentation-workflow to the protection rules. The deployment ran successfully so we should be ok to merge.