*: Remove go:build constraint for older go versions

Merge pull request #45 from upfluence/am/multi-clause-in

x/sqlbuilder: Implement MultiColumnIn

x/sqlbuilder: Add JoinClauses to Exists

backend/postgres: Adjust the ssl mode computation

sqlutil: Increate the number of IdleConns

Merge pull request #44 from upfluence/am/insert-query-row

x/sqlbuilder: Add QueryRow API to the InsertExecer type

.github/workflows/ci: Update base image and go versions

Merge pull request #43 from upfluence/xg/DRA-2152/updateci

.github/workflows/*.yml: update action versions

backend/postgres: Add StatementTimeout and loose argument

Merge pull request #42 from upfluence/tg/multi_order