v1.21.0
* move core install to /workspace (#7706) Signed-off-by: Abhinav Khattar <[email protected]> * update apex install in dockerfile Signed-off-by: eharper <[email protected]> * use fetch head Signed-off-by: eharper <[email protected]> --------- Signed-off-by: Abhinav Khattar <[email protected]> Signed-off-by: eharper <[email protected]> Co-authored-by: Abhinav Khattar <[email protected]>