gui: logo & version name updates for 21st Capital #5

Job	Run time
linter	34s
linter_gui	1m 49s
unit_tests (1.63, ubuntu-latest)	2m 35s
unit_tests (1.63, macOS-latest)	1m 47s
unit_tests (1.63, windows-latest)	3m 38s
unit_tests (nightly, ubuntu-latest)	1m 3s
unit_tests (nightly, macOS-latest)	1m 4s
unit_tests (nightly, windows-latest)	2m 17s
unit_tests_gui (1.70.0, ubuntu-latest)	3m 56s
unit_tests_gui (1.70.0, macOS-latest)	2m 27s
unit_tests_gui (1.70.0, windows-latest)	6m 10s
unit_tests_gui (nightly, ubuntu-latest)	2m 49s
unit_tests_gui (nightly, macOS-latest)	2m 28s
unit_tests_gui (nightly, windows-latest)	5m 41s
	38m 18s

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