Run sbt compat on Coursier and Ivy cache changes

Bugbot: coursier_cache.rs, ivy_cache.rs and patch/sidecars/coursier.rs
serve only sbt, Mill and scala-cli, but no sbt PR glob matched them.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Ws89aDVJwaF9MUUgy1JLWB

Author: claude

.github/workflows/sbt-compatibility.yml

@@ -39,6 +39,8 @@ on:
       - 'crates/*/src/**/*scala*'
       - 'crates/*/src/**/*scala*/**'
       - 'crates/socket-patch-core/src/vendor/jvm/**'
+      - 'crates/*/src/**/*coursier*'
+      - 'crates/*/src/**/*ivy*'
       - 'crates/socket-patch-cli/tests/docker_e2e_sbt.rs'
       - 'crates/socket-patch-cli/tests/e2e_sbt_build.rs'
       - 'crates/socket-patch-cli/tests/e2e_sbt_vendor_build.rs'