fix(expo): Use @sentry/react-native/expo as plugin name in expo upload

[krystofwoldrich]

Although the previous option also works,
we promote in all docs and previous messages/changelogs the /expo export, so we should use it here too.

[github-actions]

Android (legacy) Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	402.50 ms	430.11 ms	27.61 ms
Size	17.73 MiB	19.85 MiB	2.11 MiB

Baseline results on branch: expo

Startup times

Revision	Plain	With Sentry	Diff
bc4097b	419.25 ms	458.81 ms	39.56 ms

App size

Revision	Plain	With Sentry	Diff
bc4097b	17.73 MiB	19.84 MiB	2.11 MiB

[github-actions]

iOS (legacy) Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	1220.13 ms	1223.20 ms	3.08 ms
Size	2.36 MiB	2.88 MiB	526.51 KiB

Baseline results on branch: expo

Startup times

Revision	Plain	With Sentry	Diff
bc4097b+dirty	1223.67 ms	1230.08 ms	6.41 ms

App size

Revision	Plain	With Sentry	Diff
bc4097b+dirty	2.36 MiB	2.88 MiB	524.45 KiB

[github-actions]

Android (new) Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	378.45 ms	409.73 ms	31.28 ms
Size	7.15 MiB	8.11 MiB	990.93 KiB

Baseline results on branch: expo

Startup times

Revision	Plain	With Sentry	Diff
bc4097b+dirty	378.29 ms	413.31 ms	35.01 ms

App size

Revision	Plain	With Sentry	Diff
bc4097b+dirty	7.15 MiB	8.11 MiB	988.88 KiB

[github-actions]

iOS (new) Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	1211.18 ms	1213.42 ms	2.23 ms
Size	2.92 MiB	3.44 MiB	530.81 KiB

Baseline results on branch: expo

Startup times

Revision	Plain	With Sentry	Diff
bc4097b+dirty	1229.02 ms	1235.65 ms	6.63 ms

App size

Revision	Plain	With Sentry	Diff
bc4097b+dirty	2.92 MiB	3.43 MiB	528.75 KiB

[lucas-zimerman]

LGTM!