expanded acknowledgements for photometric uncertainties tool, version bump

Author: agabrown

README.md

@@ -65,6 +65,10 @@ For the plotting tools:
 
 PyGaia is based on the effort by Jos de Bruijne to create and maintain the Gaia Science Performance pages (with support from David Katz, Paola Sartoretti, Francesca De Angeli, Dafydd Evans, [Marco Riello](https://github.com/marc0uk), and Josep Manel Carrasco), and benefits from the suggestions and contributions by [Morgan Fouesneau](https://github.com/mfouesneau) and [Tom Callingham](https://github.com/TomCallingham).
 
+The photometric uncertainties code in PyGaia is based on the tool provided by Gaia DPAC (https://www.cosmos.esa.int/web/gaia/dr3-software-tools) to reproduce (E)DR3 Gaia photometric uncertainties described in the [GAIA-C5-TN-UB-JMC-031](https://dms.cosmos.esa.int/COSMOS/doc_fetch.php?id=1404728) technical note using data in [Riello et al (2021)](https://doi.org/10.1051/0004-6361/202039587).
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 ## Attribution
 
 Please acknowledge the Gaia Project Scientist Support Team and the Gaia Data Processing and Analysis Consortium 

pyproject.toml

@@ -5,7 +5,7 @@ build-backend = "setuptools.build_meta"
 [project]
 name = "pygaia"
 description = "Gaia science performance simulation toolkit"
-version = "3.0.2"
+version = "3.0.3"
 authors = [{ name = "Anthony G.A. Brown", email = "brown@strw.leidenuniv.nl" }]
 readme = "README.md"
 requires-python = ">=3.6"