Tryout copyleft license checker action

[dingsdax]

No description provided.

[github-actions]

	Fails
🚫	Please consider adding a changelog entry for the next release.

Instructions and example for changelog

Please add an entry to CHANGELOG.md to the "Unreleased" section. Make sure the entry includes this PR's number.

Example:

## Unreleased

- Tryout copyleft license checker action ([#4680](https://github.com/getsentry/sentry-java/pull/4680))

If none of the above apply, you can opt out of this check by adding #skip-changelog to the PR description or adding a skip-changelog label.

Generated by 🚫 dangerJS against f216fec

[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	376.38 ms	427.69 ms	51.31 ms
Size	1.58 MiB	2.10 MiB	533.46 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
ee747ae	405.43 ms	485.70 ms	80.28 ms
3699cd5	423.60 ms	495.52 ms	71.92 ms
ee747ae	400.46 ms	423.61 ms	23.15 ms
ee747ae	554.98 ms	611.50 ms	56.52 ms
ee747ae	374.71 ms	455.18 ms	80.47 ms
ee747ae	382.73 ms	435.41 ms	52.68 ms
ee747ae	396.82 ms	441.67 ms	44.86 ms
ee747ae	358.21 ms	389.41 ms	31.20 ms
7314dbe	437.83 ms	505.64 ms	67.81 ms
ee747ae	415.92 ms	470.15 ms	54.23 ms

App size

Revision	Plain	With Sentry	Diff
ee747ae	1.58 MiB	2.10 MiB	530.95 KiB
3699cd5	1.58 MiB	2.10 MiB	533.45 KiB
ee747ae	1.58 MiB	2.10 MiB	530.95 KiB
ee747ae	1.58 MiB	2.10 MiB	530.95 KiB
ee747ae	1.58 MiB	2.10 MiB	530.95 KiB
ee747ae	1.58 MiB	2.10 MiB	530.95 KiB
ee747ae	1.58 MiB	2.10 MiB	530.95 KiB
ee747ae	1.58 MiB	2.10 MiB	530.95 KiB
7314dbe	1.58 MiB	2.10 MiB	533.45 KiB
ee747ae	1.58 MiB	2.10 MiB	530.95 KiB