make-compilation-db: trigger relevant dependency fetches in script. #4832

Job	Run time
CheckFormatAndBuildClean	1m 52s
x86_64 test	4m 28s
arm64 test	4m 39s
ClangTidy	5m 18s
x86_64 test-clang	4m 25s
arm64 test-clang	4m 43s
KytheVerification	0s
x86_64 test-nortti	4m 34s
KytheXrefs	0s
MacOsBuild	4m 2s
x86_64 test-c++20	4m 28s
PrepareVSPlugin	3m 18s
x86_64 test-c++23	4m 26s
WindowsBuild	4m 26s
x86_64 smoke-test	12m 2s
arm64 smoke-test	12m 22s
x86_64 asan	5m 42s
x86_64 asan-clang	5m 25s
x86_64 compile	4m 15s
arm64 compile	4m 34s
x86_64 compile-clang	3m 50s
arm64 compile-clang	4m 40s
x86_64 compile-static	4m 5s
arm64 compile-static	4m 52s
x86_64 compile-static-clang	3m 53s
arm64 compile-static-clang	4m 47s
x86_64 clean	7m 50s
arm64 clean	7m 33s
Build and deploy GitHub pages	0s
📦 Release	0s
	2h 16m 29s

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