chore(deps): update mcr.microsoft.com/dotnet/core/aspnet:3.1-buster-slim docker digest to c30ae92

Author: renovate[bot]

Phonebook.Source.PeopleSoft/Dockerfile

@@ -1,6 +1,6 @@
 #See https://aka.ms/containerfastmode to understand how Visual Studio uses this Dockerfile to build your images for faster debugging.
 
-FROM mcr.microsoft.com/dotnet/core/aspnet:3.1-buster-slim@sha256:a9e160dbf5ed62c358f18af8c4daf0d7c0c30f203c0dd8dff94a86598c80003b AS base
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1-buster-slim@sha256:c30ae929a3cfef278f140c6e2ec050ea2bbab17cfc6b3426c8fe806d9fb3b6dd AS base
 WORKDIR /app
 EXPOSE 80
 EXPOSE 443