Update libraries/hpc submodule to v0.6.0.3 release tag
Update libraries/hpc submodule to v0.6.0.3 release tag

(cherry picked from commit 0051ac1786ccdf0fb9babf188a9f9bc0da2ce520)

GaloisInc/halvm-ghc,GaloisInc/halvm-ghc,GaloisInc/halvm-ghc,GaloisInc/halvm-ghc,GaloisInc/halvm-ghc,GaloisInc/halvm-ghc,GaloisInc/halvm-ghc