gnu-cobol 1.1 (new formula)

OpenCOBOL is an open source COBOL compiler. OpenCOBOL implements a
substantial part of the COBOL 85 and COBOL 2002 standards, as well as
many extensions of the existent COBOL compilers.
gnu-cobol: add 1.1 bottle.

Closes #32111.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>
gnu-cobol: general cleanup.