community/afl++: rebuild against llvm18

This fixes a dependency issue, as afl++ now depends on lld~17, but
packaged is lld in version 18.

community/afl++/APKBUILD

@@ -2,7 +2,7 @@
 # Maintainer: Marian <marian.buschsieweke@ovgu.de>
 pkgname=afl++
 pkgver=4.20c
-pkgrel=0
+pkgrel=1
 pkgdesc="Fuzzer relying on genetic algorithms instead of brute force"
 url="https://aflplus.plus/"
 # s390x: blocked by missing lld
@@ -11,7 +11,7 @@ url="https://aflplus.plus/"
 arch="all !armhf !armv7 !s390x !x86"
 license="Apache-2.0"
 # afl-cmin requires stat
-_llvmver=17
+_llvmver=18
 # llvm LTO test fails on riscv64
 # https://github.com/AFLplusplus/AFLplusplus/issues/2064
 case "$CARCH" in