Patch automerged anndata 0.9.0 that dropped support for Python 3.7

[jdblischak]

Checklist

• Ran python show_diff.py and posted the output as part of the PR.
• Modifications won't affect packages built in the future.

noarch::anndata-0.9.0-pyhd8ed1ab_0.conda
-    "python >=3.6",
+    "python >=3.8",

---

Sequence of events:

• anndata 0.9.0 dropped support for Python 3.7 Bump python version scverse/anndata#820
• anndata 0.9.0 PR was automerged without updating the Python pin [bot-automerge] anndata v0.9.0 anndata-feedstock#27
• The new anndata 0.9.0 broke Python 3.7 conda envs Only upload binaries for builds on "main" branch TileDB-Inc/tiledbsoma-feedstock#11 (comment)
• I bumped the Python pin for version 0.9.0 build number 1 Drop support for Python 3.7 (anndata 0.9.0 dropped support) anndata-feedstock#28
• Modeled this PR off of PR Fix isort Python pin #392

[conda-forge-webservices]

Hi! This is the friendly automated conda-forge-linting service.

I just wanted to let you know that I linted all conda-recipes in your PR (recipe) and found it was in an excellent condition.

[jdblischak]

Ready for review

[jdblischak]

@conda-forge/Core Ready for review

[jdblischak]

Also, I rebased and re-ran show_diff.py

$ python recipe/show_diff.py
Downloading: https://conda.anaconda.org/conda-forge/noarch/repodata_from_packages.json.bz2
Downloading: https://conda.anaconda.org/conda-forge/noarch/repodata.json.bz2
noarch::anndata-0.9.0-pyhd8ed1ab_0.conda
-    "python >=3.6",
+    "python >=3.8",