gui: logo & version name updates for 21st Capital #4

Job	Run time
linter_gui	1m 52s
linter	33s
unit_tests (1.63, ubuntu-latest)	3h 6m 5s
unit_tests (1.63, macOS-latest)	1m 54s
unit_tests (1.63, windows-latest)	3m 31s
unit_tests (nightly, ubuntu-latest)	1m 0s
unit_tests (nightly, macOS-latest)	1m 9s
unit_tests (nightly, windows-latest)	1m 52s
unit_tests_gui (1.70.0, ubuntu-latest)	3m 43s
unit_tests_gui (1.70.0, macOS-latest)	3m 49s
unit_tests_gui (1.70.0, windows-latest)	5m 45s
unit_tests_gui (nightly, ubuntu-latest)	2m 50s
unit_tests_gui (nightly, macOS-latest)	2m 7s
unit_tests_gui (nightly, windows-latest)	5m 34s
	3h 41m 44s

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