CompatHelper: add new compat entry for Libxc at version 0.3, (keep existing compat) (#19)

Co-authored-by: CompatHelper Julia <[email protected]>
Co-authored-by: Jusong Yu <[email protected]>

Author: 3 people

Project.toml

@@ -21,6 +21,7 @@ Printf = "de0858da-6303-5e67-8744-51eddeeeb8d7"
 SimpleNonlinearSolve = "727e6d20-b764-4bd8-a329-72de5adea6c7"
 
 [compat]
+Libxc = "0.3"
 Interpolations = "0.15"
 julia = "1"