Merge pull request #3763 from brdvd/feat/virtual-methods #1554

Job	Run time
Set up and cache emscripten	13s
Copy the font files	7s
Build ubuntu-20.04-g++-10	5m 1s
Build ubuntu-22.04-g++-11	4m 42s
Build ubuntu-22.04-g++-12	5m 28s
Build ubuntu-20.04-clang-10	5m 20s
Build ubuntu-20.04-clang-11	5m 18s
Build ubuntu-20.04-clang-12	5m 23s
Build macos-latest-xcode-14.3	2m 37s
Build macos-latest-xcode-15.3	2m 43s
Build macos-latest-g++-12	3m 33s
Build JS toolkit (nohumdrum, Building toolkit without humdrum, -c -H -M, verovio-toolkit.js*)	4m 48s
Build JS toolkit (light, Building toolkit without humdrum as light version, -c -H -l -M, verovio-...	4m 45s
Build JS toolkit (wasm, Building toolkit without humdrum as wasm, -c -H -w -M, veroviowasm, true)	5m 49s
Build JS toolkit (default, Building default toolkit with humdrum, -c -M, -hum.js)	8m 32s
Build documentation	1m 29s
Check settings for deployment	1s
Deploy JS toolkit	51s
Deploy documentation	1m 50s
Skip deployment if set	0s
	1h 8m 30s

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