Bump submodules of hpc and hpc-bin to version 0.7.0.0

hpc 0.7.0.0 dropped SafeHaskell safety guarantees in order to simplify
compatibility with newer versions of the directory package which
dropped all SafeHaskell guarantees.

hpc @ 0ad03de5

-Subproject commit 50d520bf6002ab55032e233dced0556ad63ad0c0
+Subproject commit 0ad03de570771bb04f383a04886bc58071b50b7b

hpc @ 2d75eb33

-Subproject commit eb800fe76409f54660335496592f777ae215ff92
+Subproject commit 2d75eb33d4c179b1c21000d32c2906ad273de0de