fix: dockerfile syntax error

Dockerfile.nvidia

@@ -22,8 +22,6 @@ RUN \
   curl -fsSL https://deb.nodesource.com/setup_20.x | bash - &&\
   apt-get install -y nodejs &&\
   npm i -g yarn &&\
-  wget -qO- https://install.speedtest.net/app/cli/ookla-speedtest-1.1.1-linux-x86_64.tgz \
-    | tar xmoz -C /usr/bin speedtest; &&\
   if [ "$TARGETPLATFORM" = "linux/amd64" ] || [ "$(uname -m)" = "x86_64" ]; \
     then \
       /bin/echo ">> installing dependencies (amd64)" &&\
@@ -33,12 +31,12 @@ RUN \
     then \
       /bin/echo ">> installing dependencies (arm64)" &&\
       wget -qO- https://install.speedtest.net/app/cli/ookla-speedtest-1.1.1-linux-aarch64.tgz \
-        | tar xmoz -C /usr/bin speedtest \
+        | tar xmoz -C /usr/bin speedtest; \
   elif [ "$TARGETPLATFORM" = "linux/arm/v7" ]; \
     then \
       /bin/echo ">> installing dependencies (arm/v7)" &&\
       wget -qO- https://install.speedtest.net/app/cli/ookla-speedtest-1.1.1-linux-armhf.tgz \
-        | tar xmoz -C /usr/bin speedtest \
+        | tar xmoz -C /usr/bin speedtest; \
   else /bin/echo "Unsupported platform"; exit 1; \
   fi &&\
   /bin/echo -e ">> clean-up" &&\