Adds TS API TSHttpTxnCacheDiskPathGet#7919

elsloo wants to merge 2 commits intoapache:9.1.xapache/trafficserver:9.1.xfrom

elsloo:9.1.x_backport_ts_api_cache_disk_path_getelsloo/trafficserver:9.1.x_backport_ts_api_cache_disk_path_getCopy head branch name to clipboard