Updated dotnet version from dotnet 6 to dotnet 7

Author: Mercurial

chunks/tool-dotnet/Dockerfile

@@ -7,7 +7,7 @@ ENV TRIGGER_REBUILD=1
 
 # Install .NET SDK (Current channel)
 # Source: https://docs.microsoft.com/dotnet/core/install/linux-scripted-manual#scripted-install
-RUN mkdir -p /home/gitpod/dotnet && curl -fsSL https://dot.net/v1/dotnet-install.sh | bash /dev/stdin --version 6.0.200 --install-dir /home/gitpod/dotnet
+RUN mkdir -p /home/gitpod/dotnet && curl -fsSL https://dot.net/v1/dotnet-install.sh | bash /dev/stdin --version 7.0.100 --install-dir /home/gitpod/dotnet
 ENV DOTNET_ROOT=/home/gitpod/dotnet
 ENV PATH=/home/gitpod/dotnet:$PATH