fix(autolinking): Restore RNSentry xcode project used for autolinking in older RN versions

[krystofwoldrich]

📢 Type of change

• Bugfix

📜 Description

Removed in https://github.com/getsentry/sentry-react-native/pull/2707/files#diff-accdc83031ad6cc664dfc3a76eba7d3f3d9c74ca4512a7c538af2b2a949c0398

RN CLI requires xcode project for autolinking 0.68 and older
https://github.com/react-native-community/cli/blob/7a10b39160d53caf43f36ae9e62d4bed942003ea/packages/platform-ios/src/config/index.ts#L41-L48

The project is just a dummy, Podfile is used.

💡 Motivation and Context

#2956

💚 How did you test it?

generated older app, ci

https://github.com/getsentry/sentry-react-native/actions/runs/4742862644/jobs/8421660685?pr=2980#step:16:16

📝 Checklist

• I reviewed submitted code
• I added tests to verify changes
• No new PII added or SDK only sends newly added PII if sendDefaultPII is enabled
• All tests passing
• No breaking changes

🔮 Next steps

[github-actions]

Android (legacy) Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	377.60 ms	406.20 ms	28.60 ms
Size	17.73 MiB	19.75 MiB	2.02 MiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
80b2ce3	385.02 ms	387.36 ms	2.34 ms
8900e1a+dirty	430.68 ms	456.13 ms	25.44 ms
b1e8712	462.11 ms	465.71 ms	3.60 ms
70caa60+dirty	299.00 ms	321.02 ms	22.02 ms
86d6d2c+dirty	332.90 ms	352.45 ms	19.55 ms
52a8031+dirty	311.55 ms	321.37 ms	9.82 ms
15c80ab+dirty	336.27 ms	350.58 ms	14.31 ms
76d1baf+dirty	335.72 ms	355.52 ms	19.80 ms
d0bf494+dirty	375.37 ms	395.14 ms	19.77 ms
dadc233+dirty	333.78 ms	343.94 ms	10.16 ms

App size

Revision	Plain	With Sentry	Diff
80b2ce3	17.73 MiB	19.75 MiB	2.02 MiB
8900e1a+dirty	17.73 MiB	19.75 MiB	2.01 MiB
b1e8712	17.73 MiB	19.75 MiB	2.02 MiB
70caa60+dirty	17.73 MiB	19.75 MiB	2.01 MiB
86d6d2c+dirty	17.73 MiB	20.04 MiB	2.31 MiB
52a8031+dirty	17.73 MiB	20.04 MiB	2.31 MiB
15c80ab+dirty	17.73 MiB	20.04 MiB	2.31 MiB
76d1baf+dirty	17.73 MiB	20.04 MiB	2.31 MiB
d0bf494+dirty	17.73 MiB	19.75 MiB	2.02 MiB
dadc233+dirty	17.73 MiB	19.75 MiB	2.02 MiB

[github-actions]

iOS (legacy) Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	1261.64 ms	1295.08 ms	33.44 ms
Size	2.36 MiB	2.84 MiB	488.91 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
8900e1a+dirty	1210.27 ms	1218.66 ms	8.39 ms
70caa60+dirty	1218.27 ms	1230.30 ms	12.03 ms
86d6d2c+dirty	1267.55 ms	1286.21 ms	18.66 ms
80b2ce3+dirty	1265.92 ms	1268.60 ms	2.69 ms
52a8031+dirty	1280.88 ms	1289.78 ms	8.90 ms
15c80ab+dirty	1223.74 ms	1228.96 ms	5.22 ms
76d1baf+dirty	1244.10 ms	1268.52 ms	24.42 ms
d0bf494+dirty	1289.40 ms	1298.40 ms	9.00 ms
0db0c72+dirty	1275.02 ms	1285.84 ms	10.82 ms
dadc233+dirty	1223.20 ms	1236.88 ms	13.68 ms

App size

Revision	Plain	With Sentry	Diff
8900e1a+dirty	2.36 MiB	2.83 MiB	479.25 KiB
70caa60+dirty	2.36 MiB	2.83 MiB	479.27 KiB
86d6d2c+dirty	2.36 MiB	2.82 MiB	462.82 KiB
80b2ce3+dirty	2.36 MiB	2.84 MiB	486.98 KiB
52a8031+dirty	2.36 MiB	2.82 MiB	469.44 KiB
15c80ab+dirty	2.36 MiB	2.83 MiB	474.49 KiB
76d1baf+dirty	2.36 MiB	2.82 MiB	469.45 KiB
d0bf494+dirty	2.36 MiB	2.83 MiB	481.15 KiB
0db0c72+dirty	2.36 MiB	2.84 MiB	487.01 KiB
dadc233+dirty	2.36 MiB	2.84 MiB	486.85 KiB

[github-actions]

iOS (new) Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	1288.96 ms	1304.56 ms	15.60 ms
Size	2.92 MiB	3.40 MiB	494.16 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
8900e1a+dirty	1268.36 ms	1273.04 ms	4.68 ms
70caa60+dirty	1279.08 ms	1281.54 ms	2.46 ms
86d6d2c+dirty	1291.62 ms	1296.80 ms	5.18 ms
80b2ce3+dirty	1245.12 ms	1262.04 ms	16.92 ms
52a8031+dirty	1255.96 ms	1273.00 ms	17.04 ms
15c80ab+dirty	1248.41 ms	1251.24 ms	2.83 ms
76d1baf+dirty	1245.00 ms	1257.76 ms	12.76 ms
d0bf494+dirty	1266.20 ms	1267.52 ms	1.32 ms
0db0c72+dirty	1258.88 ms	1262.52 ms	3.64 ms
dadc233+dirty	1266.52 ms	1282.55 ms	16.03 ms

App size

Revision	Plain	With Sentry	Diff
8900e1a+dirty	2.92 MiB	3.39 MiB	485.96 KiB
70caa60+dirty	2.92 MiB	3.39 MiB	486.04 KiB
86d6d2c+dirty	2.92 MiB	3.37 MiB	464.31 KiB
80b2ce3+dirty	2.92 MiB	3.40 MiB	492.75 KiB
52a8031+dirty	2.92 MiB	3.38 MiB	475.71 KiB
15c80ab+dirty	2.92 MiB	3.39 MiB	481.56 KiB
76d1baf+dirty	2.92 MiB	3.38 MiB	475.74 KiB
d0bf494+dirty	2.92 MiB	3.40 MiB	488.08 KiB
0db0c72+dirty	2.92 MiB	3.40 MiB	492.71 KiB
dadc233+dirty	2.92 MiB	3.40 MiB	492.53 KiB

[github-actions]

Android (new) Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	280.10 ms	325.52 ms	45.42 ms
Size	7.15 MiB	8.04 MiB	912.17 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
8900e1a+dirty	371.40 ms	377.70 ms	6.31 ms
70caa60+dirty	308.83 ms	393.06 ms	84.23 ms
86d6d2c+dirty	267.21 ms	325.24 ms	58.04 ms
80b2ce3+dirty	271.29 ms	316.47 ms	45.18 ms
52a8031+dirty	330.72 ms	358.76 ms	28.03 ms
15c80ab+dirty	276.38 ms	327.54 ms	51.17 ms
76d1baf+dirty	339.02 ms	408.65 ms	69.63 ms
d0bf494+dirty	253.73 ms	308.23 ms	54.49 ms
0db0c72+dirty	335.20 ms	351.06 ms	15.86 ms
dadc233+dirty	363.19 ms	370.37 ms	7.18 ms

App size

Revision	Plain	With Sentry	Diff
8900e1a+dirty	7.15 MiB	8.03 MiB	901.79 KiB
70caa60+dirty	7.15 MiB	8.03 MiB	901.79 KiB
86d6d2c+dirty	7.15 MiB	8.09 MiB	962.69 KiB
80b2ce3+dirty	7.15 MiB	8.04 MiB	911.02 KiB
52a8031+dirty	7.15 MiB	8.09 MiB	965.95 KiB
15c80ab+dirty	7.15 MiB	8.09 MiB	966.13 KiB
76d1baf+dirty	7.15 MiB	8.09 MiB	964.41 KiB
d0bf494+dirty	7.15 MiB	8.04 MiB	910.85 KiB
0db0c72+dirty	7.15 MiB	8.04 MiB	911.02 KiB
dadc233+dirty	7.15 MiB	8.04 MiB	910.84 KiB