Bump external/ebpf-verifier from `8b0c660` to `f3964ef` (#3199)

Bumps [external/ebpf-verifier](https://github.com/vbpf/ebpf-verifier) from `8b0c660` to `f3964ef`.
- [Release notes](https://github.com/vbpf/ebpf-verifier/releases)
- [Commits](8b0c660ee4...f3964ef83f)

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

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external/ebpf-verifier

@@ -1 +1 @@
-Subproject commit 8b0c660ee4201067787b2177e5d727c16632220d
+Subproject commit f3964ef83f5cabf031f0647333a06551372af627