CompatHelper: bump compat for Multigraphs to 0.3, (keep existing compat) (#88)

Co-authored-by: CompatHelper Julia <compathelper_noreply@julialang.org>

Author: github-actions[bot]

Project.toml

@@ -16,7 +16,7 @@ YaoLocations = "66df03fb-d475-48f7-b449-3d9064bf085b"
 CompilerPluginTools = "0.1"
 LightGraphs = "1.3"
 MLStyle = "0.4"
-Multigraphs = "0.2"
+Multigraphs = "0.2, 0.3"
 YaoHIR = "0.2"
 YaoLocations = "0.1"
 julia = "1"