libdwarf -code release 2.1.0

[davea42]

Removed compression heuristic checks as
such were unreliable.

Corrected handling of DWARF6
attributes DW_AT_language_name and DW_AT_language_version.

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This discussion was created from the release libdwarf -code release 2.1.0.

[vtorri]

FYI: msys2/MINGW-packages#24898

libdwarf 2.1.0 will soon be available as msys2 package

[davea42]

Nice. Thank you.
DavidA