Upstream libevent module@2.1.12-stable.bcr.0.200728-62c152d.envoy to BCR

[phlax]

Module

• libevent
• Version: 2.1.12-stable. bcr.0.200728-62c152d. envoy
• BCR: ✅ exists (2.1.12-stable.bcr.0)
• Source: https://github.com/libevent/libevent

Checklist

• Compare toolshed version with BCR 2.1.12-stable.bcr.0
• Identify differences (commit 62c152d, patches?)
• PR updates to BCR if needed
• Update envoy to use BCR version

Notes

• Complex version string suggests pinned commit (200728-62c152d)
• Needs investigation to understand what differs from BCR