Issue 757 publish date vs published date

[marie-x]

Explain pull request

Per #757, proofreaders failed to catch the differently-named fields for the same concept in Policy ang Geography.

Is this a breaking change

• Yes, breaking

Impacted Spec

Which spec(s) will this pull request impact?

• policy

Additional context

I considered standardizing on publish_date but that was 57 changes in 25 files

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.
7 out of 8 committers have signed the CLA.

:white_check_mark: schnuerle
:white_check_mark: sonnessa
:white_check_mark: quicklywilliam
:white_check_mark: guiguille
:white_check_mark: jkurzanski
:white_check_mark: marie-x
:white_check_mark: alexdemisch
:x: milos-ljubinkovic

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[schnuerle]

Thank you for this PR fix!

Can someone help me out with this GitHub CLA issue? Maybe it's because this original PR pointed to main (so it had lots of changes), but user @milos-ljubinkovic is coming up as not signing the CLA. I've seen this name in some other PRs, but not sure of the code change.

[schnuerle]

Hi @milos-ljubinkovic from Helbiz (see PR #732) could you please sign the CLA for your contribution? Just click here:

https://cla-assistant.io/openmobilityfoundation/mobility-data-specification?pullRequest=780