[Bug modula2/108373] Update 'contrib/gcc_update:files_and_dependencies' for Modula-2

[gaius at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108373

Gaius Mulley <gaius at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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   Last reconfirmed|                            |2023-01-19
             Status|UNCONFIRMED                 |ASSIGNED
     Ever confirmed|0                           |1