Bump external/ubpf from 029ea2b to cc95d94 (#2409)

Bumps [external/ubpf](https://github.com/iovisor/ubpf) from `029ea2b` to `cc95d94`.
- [Release notes](https://github.com/iovisor/ubpf/releases)
- [Commits](iovisor/ubpf@029ea2b...cc95d94)

---
updated-dependencies:
- dependency-name: external/ubpf
  dependency-type: direct:production
...

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