v1.5.0

Changelog

• 2c4c721: Merge pull request #34 from sairintechnologycom/loop-10-isolated-backend (@sairintechnologycom)
• 3075800: feat(sandbox): promote isolated behavior backend to supported, CI-validated Linux isolation (@sairintechnologycom)
• 2b08714: fix(sandbox): unlock chmod-000 directories iteratively during teardown (@sairintechnologycom)