Update data.json Added PyMC to Python category in Awesome for Beginners

- Added PyMC, a Python library for Bayesian statistical modeling and probabilistic machine learning.
- The repository is actively maintained and includes 'good first issue' labels for beginners.
- It provides a supportive community and clear contribution guidelines, making it an excellent addition for new contributors.

data.json

@@ -1,4 +1,7 @@
 {
+
+
+	
     "sponsors": [
         {
             "name": "Michał Gołkowski",
@@ -1289,6 +1292,14 @@
             ],
             "description": "The free and open-source wiki software package that powers Wikipedia."
         },
+	    {
+  "name": "PyMC",
+  "desc": "A Python library for Bayesian statistical modeling and probabilistic machine learning. Beginner-friendly with 'good first issue' labels.",
+  "url": "https://github.com/pymc-devs/pymc",
+  "tags": ["python", "bayesian", "statistics", "machine-learning"],
+  "beginner-friendly-label": "good first issue"
+}
+
         {
             "name": "CiviWiki",
             "link": "https://github.com/CiviWiki/OpenCiviWiki",