gmoccapy: add LinuxCNC version to window title #898

Job	Run time
cppcheck	2m 50s
package-arch (debian:bullseye)	28m 58s
htmldocs	26m 41s
package-arch (debian:bookworm)	29m 52s
package-indep (debian:bullseye)	42m 58s
rip-and-test	29m 15s
package-arch (debian:sid)	32m 12s
package-indep (debian:bookworm)	34m 30s
package-indep (debian:sid)	40m 17s
rip-and-test-clang	27m 32s
	4h 55m 5s

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