update version

[fenil2024]

update version

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[Levi-Lesches]

Hey @fenil2024, a few notes:

Notes

• you've changed compileOptions.XXXCompatibility to kotlinOptions.jvmTarget -- seems like we should be using both instead of just one. See https://github.com/flutter/flutter/pull/147326/files
• Seems kotlinOptions.jvmTarget does not need .toString(), see the PR above

Breaking changes

• bumped the compileSdk and targetSdkVersion from 34 -> 35
• bumped the AGP version from 7.3.1 -> 8.7.0
• bumped the Kotlin version from 1.7.20 -> 2.1.0
• bumped the distributionUrl to use 7.4 to 8.9
• commented out the jetifier.ignorelist and android.enableR8

Aside from not being documented, these breaking changes will affect our users, who are currently compiling with the "old" options. Do you need to make these breaking changes? Are you unable to compile without them? If so, please list what device/OS you're trying to compile and what errors you're getting. If not, let's leave them as they are.

It would probably be better to remove everything but the new kotlinOptions.jvmTarget, and I'll add that section to the new Android setup guide when I get a chance.

[Levi-Lesches]

Possibly replaced by #2482