1. 1. Summary

Fix BF-45835 by filtering architecture-specific ELF interpreter entries from readelf dependency parsing in `buildscripts/package_test/package_test_internal.py`. The package dependency checker continues validating all non-loader direct system libraries, while ARM64 loaders such as `ld-linux-aarch64.so.1` are excluded from the architecture-independent comparison.

Added regression coverage in `buildscripts/tests/test_package_test_internal.py`.

1. 1. Testing

• `bazel run format`
• `bazel test //buildscripts/tests:test_package_test_internal` (23 tests)
• Evergreen patch: https://spruce.corp.mongodb.com/version/6a8c512f16c9c000075eadd3