chore(deps): update dotnet monorepo to v9

Author: renovate[bot]

SaucyBot/Dockerfile

@@ -1,9 +1,9 @@
 ARG CONFIGURATION=Release
 
-FROM --platform=$BUILDPLATFORM mcr.microsoft.com/dotnet/runtime:8.0-alpine3.20@sha256:3230a42af24d0a73b77219bb4bc742aa2fd851b38db62d1decd61fb88a72de07 AS base
+FROM --platform=$BUILDPLATFORM mcr.microsoft.com/dotnet/runtime:9.0-alpine3.20@sha256:3e0c1362ff428f1cb92f8c7ab81f0c010afd8fed8b924b0c11ee42cd4d465007 AS base
 WORKDIR /app
 
-FROM --platform=$BUILDPLATFORM mcr.microsoft.com/dotnet/sdk:8.0-alpine3.20@sha256:07cb8622ca6c4d7600b42b2eccba968dff4b37d41b43a9bf4bd800aa02fab117 AS build
+FROM --platform=$BUILDPLATFORM mcr.microsoft.com/dotnet/sdk:9.0-alpine3.20@sha256:e79cc91f941191e83b0f124fe6502b4e1b11a4e5f1d4695b398f53c8e275b3ad AS build
 WORKDIR /src
 COPY ["SaucyBot.csproj", "SaucyBot/"]
 RUN dotnet restore "SaucyBot/SaucyBot.csproj" -a "${TARGETARCH}"