security/afl++: Update to 4.32c

While at it, leverage "Uses" for llvm as suggested by Benjamin Takacs. [1]

ChangeLogs:
https://github.com/AFLplusplus/AFLplusplus/releases/tag/v4.31c
https://github.com/AFLplusplus/AFLplusplus/releases/tag/v4.32c

PR: 286068 [1]
Reported by: Benjamin Takacs <nimaje+fbz@bureaucracy.de> [1]