chore: pivarski@princeton.edu -> jpivarski@gmail.com

Author: jpivarski

CITATION.cff

@@ -33,7 +33,7 @@ authors:
     given-names: "Jim"
     affiliation: "Princeton University"
     orcid: "https://orcid.org/0000-0002-6649-343X"
-    email: "pivarski@princeton.edu"
+    email: "jpivarski@gmail.com"
   - family-names: Rodrigues
     given-names: Eduardo
     affiliation: University of Liverpool