testing/bazel4: disable on riscv64

testing/bazel4/APKBUILD

@@ -8,6 +8,7 @@ pkgdesc="A fast, scalable, multi-language and extensible build system"
 url="https://bazel.build/"
 arch="all"
 arch="$arch !x86 !armhf !armv7 !mips !mips64" # JDK dropped support
+arch="$arch !riscv64" # JDK not yet bootstrapped
 arch="$arch !ppc64le" # absl: Must implement UnscaledCycleClock::Frequency()
 arch="$arch !s390x" # aborted: SIGFPE (0x8) at pc=0x000003ffb1f18462 (sent by kill)
 license="Apache-2.0"