libbpf 0.8.1 (new formula)
libbpf 0.8.1 (new formula)

* libbpf v0.8.1 (new formula)
* include linux-headers for test
* Update Formula/libbpf.rb
* Update Formula/libbpf.rb

Closes #106276.

Signed-off-by: Robbie Lankford <a694ed5d2af184717afe6b1b488fcc33ddbdcea1@grafana.com>
Co-authored-by: Daniel Nachun <3f9eec981502047f29b4b6fe986f88df25665405@gmail.com>
Co-authored-by: Robert Lankford <9133d710310ae6ad4a0219e3761ffba11b19fee8@gmail.com>
Signed-off-by: Carlo Cabrera <3ffc397d0e4bded29cb84b56167de54c01e3a55b@users.noreply.github.com>
Signed-off-by: BrewTestBot <8a898ee6867e4f2028e63d2a6319b2224641c06c@users.noreply.github.com>

sjackman/homebrew-core,nbari/homebrew-core,zyedidia/homebrew-core,chrisfinazzo/homebrew-core,stgraber/homebrew-core,makigumo/homebrew-core,lemzwerg/homebrew-core,Homebrew/homebrew-core,lemzwerg/homebrew-core,stgraber/homebrew-core,adam-moss/homebrew-core,Homebrew/homebrew-core,sjackman/homebrew-core,nbari/homebrew-core,nandub/homebrew-core,chrisfinazzo/homebrew-core,adam-moss/homebrew-core,makigumo/homebrew-core,zyedidia/homebrew-core,nandub/homebrew-core,filcab/homebrew-core,filcab/homebrew-core