CI: fix linux_arm64 Dockerfile

same as commit caaa374

Author: smx-smx

.ci/linux_arm64/Dockerfile

@@ -10,7 +10,7 @@ RUN apt-get update \
         locales ca-certificates curl git \
         build-essential gcc g++ cmake libcapstone-dev pkg-config p7zip-full \
     && localedef -i en_US -c -f UTF-8 -A /usr/share/locale/locale.alias en_US.UTF-8 \
-    && curl -O https://dotnet.microsoft.com/download/dotnet/scripts/v1/dotnet-install.sh \
+    && curl -LO https://dotnet.microsoft.com/download/dotnet/scripts/v1/dotnet-install.sh \
     && bash dotnet-install.sh --channel 6.0 \
     && bash dotnet-install.sh --channel 8.0 \
     && mv /root/.dotnet /usr/share/dotnet \