DOC: Fix "latest" version displayed on landing page (#11119)

* DOC: Fix "latest" version displayed on landing page

* Update .readthedocs.yaml

Author: VeckoTheGecko

.readthedocs.yaml

@@ -17,8 +17,6 @@ build:
     post_checkout:
       - (git --no-pager log --pretty="tformat:%s" -1 | grep -vqF "[skip-rtd]") || exit 183
       - git fetch --unshallow || true
-    pre_install:
-      - git update-index --assume-unchanged doc/conf.py
     install:
       - pixi install -e doc
     build:

doc/conf.py

@@ -192,9 +192,7 @@
 project = "xarray"
 copyright = f"2014-{datetime.datetime.now().year}, xarray Developers"
 
-# The short Y.M.D version.
-v = packaging.version.parse(xarray.__version__)
-version = ".".join(str(p) for p in v.release)
+version = xarray.__version__
 
 # There are two options for replacing |today|: either, you set today to some
 # non-false value, then it is used: