windows CI upgrade

[nerdvegas]

Fixes #1181

This PR introduces a bunch of changes to improve the situation wrt windows CI tests. Specifically:

• Previously, windows.yaml would use the tagged image generated by windows-docker-image.yaml (where tag is the latest commit hash of relevant workflow/docker files). This breaks when a change is made that triggers both an image rebuild, and the windows workflow, since the new image isn't built yet. Now, windows.yaml just uses latest image instead.
• Updated windows-docker-image.yaml to generate artifacts that contain docker inspect info, for the images generated. This is for debugging purposes
• Updated windows.yaml to print the specific tag of the image it's using, to be able to verify that it is actually using the latest image as expected
• reworked path/path-ignore filters across all workflows - now uses combined include/exclude form to better target files to trigger workflow runs from
• fixed bug causing choco-cleanup to fail. It's reporting deletion of ~300Mb of files now, so images should be considerably smaller
• general cleanup of workflow run code to be cleaner and easier to follow
• avoid using env-vars when standard pwsh var will do
• run pytest-based selftest on windows to match other os workflows
• drop use of DOCKER_CLI_EXPERIMENTAL feature, not supposed to be used in production
• moved py version into the image name, required in order for windows.yaml to be able to pull latest image

[davidlatwe]

Nice work 🍻
I also notice that windows.yaml workflow isn't testing with Python 3 for a long while, maybe we could re-enable it now ?

[sonarcloud]

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