Downgrade aws-lc until arm issue resolved
Pre-release
Pre-release
What's Changed
- Retry test if httpbin.org responds with 504 Gateway Time-out by @graebm in #615
- remove the flaky stream manager metrics test by @TingDaoK in #617
- Downgrade aws-lc to what it was at v0.21.12 by @bretambrose in #619
Full Changelog: v0.21.14...v0.21.15