Update number of published models

talk.md

@@ -204,7 +204,7 @@ $$
   - No dependence on ROOT!
 - Open source tool for all of HEP
    - [IRIS-HEP](https://iris-hep.org/projects/pyhf.html) supported Scikit-HEP project
-   - Used in ATLAS SUSY, Exotics, and Top groups in [18 published analyses](https://scikit-hep.org/pyhf/citations.html#published-statistical-models)
+   - Used in ATLAS SUSY, Exotics, and Top groups in [24 published analyses](https://scikit-hep.org/pyhf/citations.html#published-statistical-models)
    - Used by Belle II (DOI: [10.1103/PhysRevLett.127.181802](https://inspirehep.net/literature/1860766))
    - Used for reinterpretation in phenomenology paper (DOI: [10.1007/JHEP04(2019)144](https://inspirehep.net/record/1698425)) and `SModelS` <br>(DOI: [10.1016/j.cpc.2021.107909](https://inspirehep.net/literature/1814793))
    - Keen to make a bridge to CMS!