Optimize `vote_cache::collect_container_info` #1982

Job	Run time
Linux [UBSAN] [lmdb \| clang]	39m 55s
Linux [ASAN] [lmdb \| clang]	38m 36s
macOS [UBSAN] [lmdb \| clang]	31m 34s
Linux [ASAN_INT] [lmdb \| clang] (Errors Ignored)	40m 55s
macOS [ASAN] [lmdb \| clang]	31m 42s
Linux [TSAN] [lmdb \| clang]	41m 36s
macOS [TSAN] [lmdb \| clang]	31m 12s
Linux [LEAK] [lmdb \| clang] (Errors Ignored)	37m 35s
macOS [UBSAN] [rocksdb \| clang]	57m 33s
Linux [UBSAN] [rocksdb \| clang]	45m 18s
macOS [ASAN] [rocksdb \| clang]	37m 57s
Linux [ASAN] [rocksdb \| clang]	49m 1s
macOS [TSAN] [rocksdb \| clang]	44m 39s
Linux [ASAN_INT] [rocksdb \| clang] (Errors Ignored)	52m 1s
Linux [LEAK] [rocksdb \| clang] (Errors Ignored)	48m 34s
	10h 28m 8s

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