Bump webpack-dev-middleware from 5.3.3 to 5.3.4 in /website #1315

Job	Run time
Test Compile gcc Debug	3m 24s
Test Compile gcc Release	2m 23s
Test Compile clang Debug	3m 30s
Test Compile clang Release	2m 30s
Test Compile clang Debug -fsanitize=undefined,float-divide-by-zero -fno-sanitize-recover=undefined,float-divide-by-zero	6m 0s
Test Compile clang Release -fsanitize=undefined,float-divide-by-zero -fno-sanitize-recover=undefined,float-divide-by-zero	3m 22s
Test Compile clang Debug -fsanitize=memory -fno-sanitize-recover=memory	26m 16s
Test Compile clang Release -fsanitize=memory -fno-sanitize-recover=memory	6m 49s
Test Compile clang Debug -fsanitize=address -fno-sanitize-recover=address	5m 21s
Test Compile clang Release -fsanitize=address -fno-sanitize-recover=address	3m 19s
CMake correctness checks	4s
Coverage	3m 30s
Test Valgrind	8m 38s
	1h 15m 6s

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