Bump to 3.0.0rc3

[forsyth2]

Bump to v3.0.0rc3.

[forsyth2]

Releasing zppy v3.0.0rc3

https://docs.e3sm.org/zppy/_build/html/main/dev_guide/release.html

Bumping the Version

cd ~/ez/zppy
git status
# Make sure there are no uncommitted changes.
git fetch upstream
git checkout -b v3.0.0rc3 upstream/main
tbump 3.0.0rc3 --no-tag
git push upstream v3.0.0rc3
# Create pull request: https://github.com/E3SM-Project/zppy/pull/683
# Merge

Releasing on GitHub: release candidates

git checkout main
git fetch upstream
git reset --hard upstream/main
git tag -a v3.0.0rc3 -m "v3.0.0rc3"
# Delete the branch from the tbump step. Otherwise, the push command won't work.
git branch -D v3.0.0rc3
git push upstream v3.0.0rc3
# Now on https://github.com/E3SM-Project/zppy/tags

Releasing on conda-forge: release candidates

cd ~/zppy-feedstock
curl -sL https://github.com/E3SM-Project/zppy/archive/v3.0.0rc3.tar.gz | openssl sha256
# SHA2-256(stdin)= ec3eea477b0f94aed9d3c397fcad8de4bf19bef04b276b212b8defa7c8e3c4c4
git fetch upstream dev
git checkout -b v3.0.0rc3 upstream/dev # You can name the branch anything you want
# In `recipe/meta.yaml`, update the version and sha256 (and the build number if needed):
{% set version = "3.0.0rc3" %} # Set to your version
sha256: ... # The sha256 from the previous step
number: 0 # build > number should always be 0
git add -A
git commit -m "v3.0.0rc3"
git push forsyth2 v3.0.0rc3
# Create pull request: https://github.com/conda-forge/zppy-feedstock/pull/20
# TODO: Merge
# TODO: check that rc3 appears on https://anaconda.org/conda-forge/zppy