[Web] Give callers their own reference to cached shape tuples - #20501

[Web] Give callers their own reference to cached shape tuples#20501

akaashrp wants to merge 2 commits into

apache:mainapache/tvm:mainfrom

akaashrp:fix/web-runtime-lifetimeakaashrp/tvm:fix/web-runtime-lifetimeCopy head branch name to clipboard