gui: bump rust version #1691

Job	Run time
linter_gui	1m 35s
linter	43s
unit_tests (1.63, ubuntu-latest)	3m 23s
unit_tests (1.63, macOS-latest)	6m 7s
unit_tests (1.63, windows-latest)	4m 52s
unit_tests (nightly, ubuntu-latest)	52s
unit_tests (nightly, macOS-latest)	1m 37s
unit_tests (nightly, windows-latest)	2m 7s
unit_tests_gui (1.65.0, ubuntu-latest)	5m 28s
unit_tests_gui (1.65.0, macOS-latest)	10m 48s
unit_tests_gui (1.65.0, windows-latest)	7m 10s
unit_tests_gui (nightly, ubuntu-latest)	2m 38s
unit_tests_gui (nightly, macOS-latest)	5m 14s
unit_tests_gui (nightly, windows-latest)	4m 13s
	56m 47s

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