v1.15.3

ReverseDiff v1.15.3

Diff since v1.15.2

Merged pull requests:

• Update TagBot config (#255) (@devmotion)
• Add AbstractIrrational to list of types for TrackedReal promote_rule definitions (#257) (@ElOceanografo)

Closed issues:

• Ambiguous Promotion Rule for <:Irrational,<:ReverseDiff.TrackedReal{V,D,O}} (#100)