Bump ls-qpack from b1c0410 to ab94342 (#221)

Bumps [ls-qpack](https://github.com/litespeedtech/ls-qpack) from `b1c0410` to `ab94342`.
- [Release notes](https://github.com/litespeedtech/ls-qpack/releases)
- [Commits](litespeedtech/ls-qpack@b1c0410...ab94342)

---
updated-dependencies:
- dependency-name: ls-qpack
  dependency-type: direct:production
...

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