fix: prevent error when calling upload() early #2085

Job	Run time
Build Distribution Bundle	38s
Test Jest (16.x)	35s
Test Jest (17.x)	39s
Test Jest (18.x)	26s
Test Jest (19.x)	30s
Test Jest (20.x)	25s
Get Bundle Size from Master	9s
Get Bundle Size from Current Branch	28s
Core Tests / Core SDK Tests	1m 29s
Calculate Bundled Diff / Calculate Bundle Size Difference	8s
Generate Report	1s
Test Stub	31s
Integration Tests: Browserfy Common JS / Browserfy CJS Test	1m 9s
Integration Tests: Rollup Common JS / Rollup CJS Test	1m 10s
Integration Tests: webpack Common JS / webpack CJS Test	1m 12s
Integration Tests: Rollup Module JS / Rollup Module Test	1m 22s
Integration Tests: webpack Module JS / webpack Module Test	1m 7s
Integration Tests: Require JS / Require JS Test	1m 1s
Save PR Number for Dependabot Automerge / Save PR Number for Dependabot Automerge	0s
	13m 0s

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