ci: Rename .gitlab-ci/x86_64-w64-mingw32 as .gitlab-ci/i686-w64-mingw32.
x86_64-w64-mingw32 is a misnomer, as it's actually using the 32-bits gcc compiler prefix.
Rename it, so one can have a true .gitlab-ci/x86_64-w64-mingw32 locally.
/cc @bhenden
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x86_64-w64-mingw32 is a misnomer, as it's actually using the 32-bits gcc compiler prefix.
Rename it, so one can have a true .gitlab-ci/x86_64-w64-mingw32 locally.
/cc @bhenden