Always install .NET from Microsoft Ubuntu repo

Can't be assed to wait for releases

build/package/deb/build_package.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-# Run from git root
+# Run from git root, certified for ubuntu only since that's what gha uses
 
 SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
 
@@ -19,8 +19,12 @@ apt-get install -y \
     ca-certificates \
     curl \
     gnupg \
-    xmlstarlet \
-    dotnet-sdk-8.0
+    xmlstarlet
+
+declare repo_version=$(if command -v lsb_release &> /dev/null; then lsb_release -r -s; else grep -oP '(?<=^VERSION_ID=).+' /etc/os-release | tr -d '"'; fi)
+curl -L https://packages.microsoft.com/config/ubuntu/$repo_version/packages-microsoft-prod.deb -o packages-microsoft-prod.deb
+dpkg -i ./packages-microsoft-prod.deb
+rm packages-microsoft-prod.deb
 
 # https://github.com/nodesource/distributions
 mkdir -p /etc/apt/keyrings
@@ -28,7 +32,7 @@ curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key | gpg --dea
 export NODE_MAJOR=20
 echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_$NODE_MAJOR.x nodistro main" | tee /etc/apt/sources.list.d/nodesource.list
 apt-get update
-apt-get install nodejs -y
+apt-get install nodejs dotnet-sdk-8.0 -y
 
 CURRENT_COMMIT=$(git rev-parse HEAD)