gomod: bump zoekt to include datadog tracer
Created by: keegancsmith
- https://github.com/sourcegraph/zoekt/commit/ea82fcb Add Datadog tracer as a supported tracer
- https://github.com/sourcegraph/zoekt/commit/acffe79 feature flag lazy runeDocSection decoding
- https://github.com/sourcegraph/zoekt/commit/2a5b562 Add Datadog profiler
- https://github.com/sourcegraph/zoekt/commit/f7cdd83 bump ctags to 5.9.20220403.0
- https://github.com/sourcegraph/zoekt/commit/918c8a8 disable bloom filters by default
- https://github.com/sourcegraph/zoekt/commit/d3a8fbd ci: add shellcheck step
- https://github.com/sourcegraph/zoekt/commit/da2ce8a ranking: add test for scoring based on ctags
Test Plan: CI