Change `tm_scope` for `Fortran` to `source.fortran` (#4714)
Change `tm_scope` for `Fortran` to `source.fortran` (#4714)

Following a suggestion @pchaigno to address #4694
sebgod/linguist,sebgod/linguist,github/linguist,github/linguist,sebgod/linguist,pchaigno/linguist,erkyrath/linguist,christop/linguist,pchaigno/linguist,erkyrath/linguist,erkyrath/linguist,erkyrath/linguist,christop/linguist,github/linguist,sebgod/linguist,github/linguist,pchaigno/linguist,pchaigno/linguist