Bump external/ebpf-verifier from `2a09764` to `13bf346` (#967)

Bumps [external/ebpf-verifier](https://github.com/vbpf/ebpf-verifier) from `2a09764` to `13bf346`.
- [Release notes](https://github.com/vbpf/ebpf-verifier/releases)
- [Commits](2a09764739...13bf346f33)

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

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external/ebpf-verifier

@@ -1 +1 @@
-Subproject commit 2a097647394a8885f5278cee6967e6722bb825e6
+Subproject commit 13bf346f3307be652043c7737e5f59522b59287f