[patch] State mixin

[liamhuber]

Just a new parent class to guarantee that super().__get/setstate__ can always be called. Reduces code duplication. Contributes to #243.

[github-actions[bot]]

:point_left: Launch a binder notebook on branch _pyiron/pyiron_workflow/statemixin

[codacy-production[bot]]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
:white_check_mark: +0.13% (target: -1.00%)	:white_check_mark: 100.00%

Coverage variation details

| | Coverable lines | Covered lines | Coverage | | ------------- | ------------- | ------------- | ------------- | | Common ancestor commit (5011dc8a96b15b5c86056166ed0dbb4975bef629) | 3265 | 2842 | 87.04% | | | Head commit (2b8093417e3afcca67f7a6dfee14951d7a793ebe) | 3251 (-14) | 2834 (-8) | 87.17% (**+0.13%**) | **Coverage variation** is the difference between the coverage for the head and common ancestor commits of the pull request branch: ` - `

Diff coverage details

| | Coverable lines | Covered lines | Diff coverage | | ------------- | ------------- | ------------- | ------------- | | Pull request (#250) | 14 | 14 | **100.00%** | **Diff coverage** is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: `/ * 100%`

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[liamhuber]

None of the re-run buttons on the web UI are doing anything. I'm going to try re-running by closing and re-opening.

This seems to be something of a pattern, and I wonder whether the failure is related to some sort of extra load on the github side of things.