update changelog, bump version, update links

CHANGELOG.md

 # Changelog
-## [1.1.2]
+
+## [1.1.2] - 2023-04-14
 
 - Pin scikit-learn to 1.2.1 due to sklearn's model persistence.
 - Drop python3.8 support. Add python3.11 testing.
 - Make data directory a subpackage, and set package data related variables there.
-  This does not download data files when importing the top level package.
+  This only downloads package data when importing the `ligo.em_bright.data` subpackage.
+  (see https://git.ligo.org/emfollow/gwcelery/-/merge_requests/1148)
 
-## [1.1.1] - 2023-2-23
+## [1.1.1] - 2023-02-23
 
 - Bump sklearn to v1.2.1. Retrain classifer
 
-## [1.1.0] - 2023-1-11
+## [1.1.0] - 2023-01-11
 
 - update dependencies due to pipelines failing: astropy, h5py, pandas (commit message mentions scipy, but 
   that is not affected)
 
 ## [1.1.0.dev1] - 2022-12-12
 
-- add HasMassGap: em_bright.source_classification returns HasNS, HasRemnant, HasMassGap
-- modify dag_writer to add mass_gap training workflow, add classifiers
+- add HasMassGap: `em_bright.source_classification` returns HasNS, HasRemnant, HasMassGap
+- modify `dag_writer` to add mass_gap training workflow, add classifiers
 - add HasMassGap unittests
 
 ## [1.0.5] - 2022-12-10

ligo/em_bright/__init__.py

-__version__ = '1.1.2dev'
+__version__ = '1.1.2'
 
 PACKAGE_DATA_BASE_URL = (
     'https://git.ligo.org/emfollow/em-properties/em-bright/'
-    '-/raw/main/ligo/em_bright/data'
+    f'-/raw/v{__version__}/ligo/em_bright/data'
 )
 
 PACKAGE_DATA_LINKS = {name: f'{PACKAGE_DATA_BASE_URL}/{name}' for name in (

ligo/em_bright/tests/test_em_bright.py

@@ -15,7 +15,7 @@ from ..data import EOS_MAX_MASS
 
 def test_version():
     from .. import __version__
-    assert __version__ == '1.1.2dev'
+    assert __version__ == '1.1.2'
 
 
 @pytest.mark.parametrize(

pyproject.toml

 [tool.poetry]
 name = "ligo.em-bright"
-version = "1.1.2dev"
+version = "1.1.2"
 description = "Possibility and properties of Electromagnetically-bright sources of gravitational-wave events"
 readme = "README.md"
 authors = [