Introduce golangci-lint · kanmu/pgtxdb@0588ef4

Error return value of `tx1.Rollback` is not checked (errcheck)

Error return value of `tx1.Commit` is not checked (errcheck)

Error return value of `tx2.Rollback` is not checked (errcheck)

Error return value of `tx2.Commit` is not checked (errcheck)

Error return value of `tx1.Rollback` is not checked (errcheck)

Error return value of `tx1.Commit` is not checked (errcheck)

Error return value of `tx2.Rollback` is not checked (errcheck)

Error return value of `tx2.Commit` is not checked (errcheck)

Error return value of `prevTx.Rollback` is not checked (errcheck)

Error return value of `tx.Rollback` is not checked (errcheck)

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