cross/gcc-*: upgrade to 12.1.1_git20220630

Fixes:

ERROR: unable to select packages:
  libstdc++-12.1.1_git20220630-r1:
    breaks: g++-aarch64-11.2.1_git20220219-r5[libstdc++=11.2.1_git20220219-r5]
    satisfies: gcc-12.1.1_git20220630-r1[so:libstdc++.so.6]
               binutils-2.38-r4[so:libstdc++.so.6]
               ccache-4.6.1-r0[so:libstdc++.so.6]
  gcc-12.1.1_git20220630-r1:
    breaks: g++-aarch64-11.2.1_git20220219-r5[gcc=11.2.1_git20220219-r5]

Caused by https://gitlab.alpinelinux.org/alpine/aports/-/commit/8acb21b8ee881e7ab1c812d9a66a17d2501b8730

*** My first time updating cross/gcc-* let me know if I overlooked something...