Switched to GitHub Mirror for cache-busting.

.github/workflows/build-beta.yml

@@ -45,3 +45,5 @@ jobs:
             soupbowl/opensimulator:${{ matrix.tag }},
             ghcr.io/soup-bowl/opensimulator-docker:${{ matrix.tag }}
           platforms: linux/amd64,linux/arm64
+          cache-from: type=gha
+          cache-to: type=gha,mode=max

beta/source/Dockerfile

@@ -1,6 +1,8 @@
 FROM mcr.microsoft.com/dotnet/sdk:6.0 as build
 
-RUN git clone git://opensimulator.org/git/opensim /app
+# Cache Bust to avoid caching skipping the latest commit
+ADD https://api.github.com/repos/opensim/opensim/git/refs/heads/dotnet6 version.json
+RUN git clone https://github.com/opensim/opensim.git /app
 WORKDIR /app
 RUN git checkout dotnet6