Bump SoLoader to 0.10.3 (#32922)

Summary:
Closes #32325
Closes #32735

There are various crashes related to the SoLoader (example: #32325, #32735, facebook/SoLoader#74, facebook/SoLoader#84) which [seem to get resolved by](#32325 (comment)) upgrading to [v0.10.3](https://github.com/facebook/SoLoader/releases/tag/v0.10.3).

The upgrade was already done in [`…/soloader/BUCK`](https://github.com/facebook/react-native/blob/main/ReactAndroid/src/main/libraries/soloader/java/com/facebook/soloader/BUCK#L28-L44) (58532ed) but the `SO_LOADER_VERSION` gradle variable was still on v0.10.1.

## Changelog

[Android] [Changed] - Bump Soloader to 0.10.3

Pull Request resolved: #32922

Test Plan: This is my very first RN PR and unfortunately I have troubles running the tests. The [proposed tests](https://github.com/facebook/react-native/wiki/Tests) use Buck anyway and the Buck file was already upgraded so those tests wouldn't change presumably. And I can't get the [`rn-tester`](https://github.com/facebook/react-native/tree/main/packages/rn-tester) to run.

Reviewed By: christophpurrer

Differential Revision: D33664774

Pulled By: ShikaSD

fbshipit-source-id: 6be5ddaa688657c1bbb42b3a9892bcf3cb168132

ReactAndroid/gradle.properties

@@ -13,7 +13,7 @@ JUNIT_VERSION=4.12
 ANDROIDX_TEST_VERSION=1.1.0
 FRESCO_VERSION=2.5.0
 OKHTTP_VERSION=4.9.1
-SO_LOADER_VERSION=0.10.1
+SO_LOADER_VERSION=0.10.3
 
 BOOST_VERSION=1_63_0
 DOUBLE_CONVERSION_VERSION=1.1.6