[3.13] gh-98896: resource_tracker: use json&base64 to allow arbitrary shared memory names (GH-138473) (GH-142014)

(cherry picked from commit 64d6bde38ffb97a6f7c7fee82ba98de81911f1b9)

Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
Co-authored-by: Rani Pinchuk <33353578+rani-pinchuk@users.noreply.github.com>