fix(reactivity): keep subscribers alive after a computed throws - #16175

{ "workflowData": { "owner": "vuejs", "repo": "core", "sha": "23dee1f9b0a3a4fee4c9b12745b9b167bbf36653", "ref": "16175", "headBranch": null }, "key": "1WFzhm4Nix", "runId": 42378831963, "webhookDebug": { "action": "requested", "head_branch": "fix/issue-16173-reactivity-keep-subscribers", "head_repository_full_name": "ondrhn/core", "full_name": "vuejs/core", "isPullRequest": true, "prNumber": 16175, "prNumberType": "number", "isNewPullRequest": true, "isOldPullRequest": false, "prKey": "ondrhn/core:fix/issue-16173-reactivity-keep-subscribers", "oldPrDataHash": "vR7ELqF2zC", "lookupKey": "ondrhn/core:fix/issue-16173-reactivity-keep-subscribers", "data": { "owner": "vuejs", "repo": "core", "sha": "23dee1f9b0a3a4fee4c9b12745b9b167bbf36653", "ref": "16175", "headBranch": null } }, "currentCursor": null, "pkgPrNewVersion": "0.0.93" }