Improvements for checking bibentries. #9578

Job	Run time
Windows (installer, intel)	24m 12s
MacOS (macOS-15)	28m 24s
Windows (check, intel)	53m 2s
Windows (installer, arm)	23m 37s
Linux (clang, debian:stable, intel)	32m 24s
Linux (gcc, debian:stable, arm)	33m 21s
MacOS (macOS-15-intel)	55m 40s
Linux (gcc, debian:stable, intel)	34m 15s
Linux (clang, debian:testing, arm)	32m 52s
Linux (gcc, debian:testing, intel)	35m 43s
Linux (clang, debian:stable, arm)	33m 50s
Linux (clang, debian:testing, intel)	34m 39s
Linux (gcc, debian:testing, arm)	31m 52s
Windows (check, arm)	52m 17s
	8h 26m 8s

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