feat(core): Support SENTRY_ENVIRONMENT in bare React Native builds #12137

Job	Run time
Ready-to-merge gate / Missing "ready-to-merge" label	4s
diff_check / diff_check	13s
Build legacy ios production dynamic-frameworks	9m 46s
Build legacy macos dev no-frameworks	5m 31s
Build legacy android production no-frameworks	10m 19s
Build legacy ios dev no-frameworks	9m 19s
Build legacy ios production no-frameworks	9m 45s
Build new android dev no-frameworks	10m 20s
Build new ios production no-frameworks	11m 25s
Build legacy macos production no-frameworks	6m 15s
Build new ios dev no-frameworks	10m 3s
Build legacy ios dev dynamic-frameworks	8m 47s
Build legacy android dev no-frameworks	8m 50s
Build new android production no-frameworks	12m 29s
Test ios production REV2	1m 31s
Test android production REV2	2m 19s
Ready-to-merge gate / Missing "ready-to-merge" label	4s
diff_check / diff_check	13s
Build legacy android dev no-frameworks	8m 50s
Build legacy macos production no-frameworks	6m 15s
Build legacy macos dev no-frameworks	5m 31s
Build legacy android production no-frameworks	10m 19s
Build legacy ios dev no-frameworks	9m 19s
Build legacy ios production no-frameworks	9m 45s
Build legacy ios production dynamic-frameworks	9m 46s
Build new ios dev no-frameworks	10m 3s
Build legacy ios dev dynamic-frameworks	8m 47s
Build new android dev no-frameworks	10m 20s
Build new ios production no-frameworks	11m 25s
Test android production REV2	6m 6s
Build new android production no-frameworks	12m 29s
Test ios production REV2	4m 27s
	4h 0m 35s

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