chore: Add Dependabot

[runningcode]

Summary

• Adds gradle package ecosystem to Dependabot config with the Gradle Plugin Portal registry so plugin/dependency updates are tracked automatically.
• Updates both gradle and github-actions ecosystems to run daily.

🤖 Generated with Claude Code

[sentry]

📲 Install Builds

Android

🔗 App Name	App ID	Version	Configuration
SDK Size	io.sentry.tests.size	8.41.0 (1)	release

⚙️ sentry-android Build Distribution Settings

[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	312.70 ms	371.46 ms	58.76 ms
Size	0 B	0 B	0 B

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
5865051	319.74 ms	365.60 ms	45.86 ms
0220a5c	452.20 ms	479.33 ms	27.12 ms
2124a46	319.19 ms	415.04 ms	95.85 ms
2195398	322.52 ms	361.91 ms	39.39 ms
bbc35bb	298.53 ms	372.17 ms	73.64 ms
d364ace	382.77 ms	443.21 ms	60.44 ms
d15471f	379.40 ms	470.76 ms	91.36 ms
9139b91	351.35 ms	355.63 ms	4.28 ms
fc5ccaf	322.49 ms	405.25 ms	82.76 ms
52feca7	314.77 ms	378.67 ms	63.90 ms

App size

Revision	Plain	With Sentry	Diff
5865051	0 B	0 B	0 B
0220a5c	0 B	0 B	0 B
2124a46	1.58 MiB	2.12 MiB	551.51 KiB
2195398	0 B	0 B	0 B
bbc35bb	1.58 MiB	2.12 MiB	553.01 KiB
d364ace	1.58 MiB	2.11 MiB	539.75 KiB
d15471f	1.58 MiB	2.13 MiB	559.54 KiB
9139b91	1.58 MiB	2.13 MiB	559.52 KiB
fc5ccaf	1.58 MiB	2.13 MiB	557.54 KiB
52feca7	0 B	0 B	0 B

Previous results on branch: no/add-dependabot-gradle

Startup times

Revision	Plain	With Sentry	Diff
4474b67	313.24 ms	349.84 ms	36.60 ms
2064e7e	310.06 ms	349.29 ms	39.22 ms

App size

Revision	Plain	With Sentry	Diff
4474b67	0 B	0 B	0 B
2064e7e	0 B	0 B	0 B

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