perf(deps): read each package.json once when resolving dep subpaths - #1093

{ "workflowData": { "owner": "rolldown", "repo": "tsdown", "sha": "a7ff27899c9a48748d4e249476b5f659202ce733", "ref": "1093", "headBranch": null }, "key": "72pJW0PSkh", "runId": 38173403052, "webhookDebug": { "action": "requested", "head_branch": "perf/cache-dep-subpath-exports", "head_repository_full_name": "Cherry/tsdown", "full_name": "rolldown/tsdown", "isPullRequest": true, "prNumber": 1093, "prNumberType": "number", "isNewPullRequest": true, "isOldPullRequest": false, "prKey": "Cherry/tsdown:perf/cache-dep-subpath-exports", "oldPrDataHash": "yJLVYzcCVo", "lookupKey": "Cherry/tsdown:perf/cache-dep-subpath-exports", "data": { "owner": "rolldown", "repo": "tsdown", "sha": "a7ff27899c9a48748d4e249476b5f659202ce733", "ref": "1093", "headBranch": null } }, "currentCursor": { "sha": "8248a43f122e0f46277ba31f01ec7198f90bce4b", "timestamp": 38152650106 }, "pkgPrNewVersion": "0.0.91" }