pgsql: doc: add missing and whitespace

doc: add missing and whitespace Missed in commit 03734a7fed. Author: Shinoda, Noriyoshi Discussion: https://postgr.es/m/DM4PR84MB1734E58BB4DC0E1B6E2990EBEE01A%40DM4PR84MB1734.NAMPRD84.PROD.OUTLOOK.COM Branch -- master Details --- https://git.postgresql.org/pg/commitdiff/e055b6be7ebb0

pgsql: Harmonize password reuse in vacuumdb, clusterdb, and reindexdb.

Harmonize password reuse in vacuumdb, clusterdb, and reindexdb. Commits 83dec5a712 and ff402ae11b taught vacuumdb to reuse passwords instead of prompting repeatedly. However, the docs still warn about repeated prompts, and this improvement was not applied to clusterdb and reindexdb. This commit

pgsql: worker_spi: Fix race condition in newly-added TAP tests

worker_spi: Fix race condition in newly-added TAP tests The second portion of the tests had a race condition where it would be possible for the startup of the dynamic workers to fail, in the event where the static workers started before them with the library loading in shared_preload_libraries did