CompatHelper: bump compat for AbstractPPL in [weakdeps] to 0.12, (keep existing compat)

Author: CompatHelper Julia

Project.toml

@@ -62,7 +62,7 @@ PigeonsReverseDiffExt = "ReverseDiff"
 
 [compat]
 ADTypes = "1.14.0"
-AbstractPPL = "0.8.4, 0.9, 0.10, 0.11"
+AbstractPPL = "0.8.4, 0.9, 0.10, 0.11, 0.12"
 Bijectors = "0.13, 0.14, 0.15"
 BridgeStan = "2"
 DataFrames = "1"