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ARROW-16293: [CI][GLib] Make tests stable

1. Increase timeout to 60 from 40 for macOS and Windows jobs because 40 is short
   to build without ccache cache.
2. Don't build C++ utilities (ARROW_BUILD_UTILITIES=OFF) because
   they aren't used.
3. Omit a test for gparquet_row_group_metadata_equal() because
   it seems that parquet::RowGroupMetaData::Equals() is unstable.
   We can look into this later and fix this.

Closes #12964 from kou/ci-glib-stable

Authored-by: Sutou Kouhei <kou@clear-code.com>
Signed-off-by: Sutou Kouhei <kou@clear-code.com>