Build tools: run asdf version from inside the container (#10575)

It was running it from the host and failing on CircleCI because it's not
installed there.

Also, when running it locally it was showing the asdf version from the host
instead from the container, where we are compiling these versions.

scripts/compile_version_upload_s3.sh

@@ -72,7 +72,9 @@ SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
 CONTAINER_ID=$(docker run --user docs --rm --detach --volume ${SCRIPT_DIR}/python-build.diff:/tmp/python-build.diff readthedocs/build:$OS sleep $SLEEP)
 echo "Running all the commands in Docker container: $CONTAINER_ID"
 
-echo "asdf version: $(asdf version)"
+# Run "asdf version" from inside the container
+echo -n 'asdf version: '
+docker exec --user root $CONTAINER_ID asdf version
 
 # Install the tool version requested
 if [[ $TOOL == "python" ]]