release v1.2.0

[dotsdl]

To create a new release, please do the following:

• make any changes to the repo needed to accommodate the release
  • check environment.yml for any updates needed; create any issues needed to update versions in next release cycle
• run rever to generate the CHANGELOG entry from news items: rever <version_number>
  • inspect CHANGELOG, adjust as necessary
• merge this PR into main

After you have merged this PR, please also:

• create a release here in GitHub, including generating detailed release notes
  • in the summary release notes, also link to the CHANGELOG entry for this release in the gufe docs
• await automated PR on conda-forge gufe-feedstock meta.yaml
  • review and merge

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.52%. Comparing base (d077d7a) to head (2a9ffb6).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #452   +/-   ##
=======================================
  Coverage   98.52%   98.52%           
=======================================
  Files          39       39           
  Lines        2166     2166           
=======================================
  Hits         2134     2134           
  Misses         32       32           

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[dotsdl]

@atravitz or @IAlibay, can I get one of your approvals on this? In particular, please check that there are no changes you think we should make to environment.yml.

[atravitz]

lgtm!