chore: dbconn truncate possible too long error messages #6302

Job	Run time
changes	3s
build-ubuntu-22.04	24m 26s
build-macos-13	23m 1s
test-ubuntu-22.04	36m 24s
test-macos-13	31m 26s
build-docker-image / docker-build-ubuntu-22.04	5m 32s
js-waku-node / node	13m 22s
js-waku-node-optional / node	1m 21s
nwaku-nwaku-interop-tests / test-pr / tests	2m 10s
Lint	24s
	2h 18m 9s

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