[+] bump jackc/pgx version to 4.11.0

[+] bump jackc/pgconn version to 1.8.1
[+] bump jessevdk/go-flags version to 1.5.0

go.mod

@@ -5,13 +5,13 @@ go 1.14
 require (
 	github.com/DATA-DOG/go-sqlmock v1.5.0
 	github.com/cavaliercoder/grab v2.0.0+incompatible
-	github.com/jackc/pgconn v1.8.0
-	github.com/jackc/pgx/v4 v4.10.1
-	github.com/jessevdk/go-flags v1.4.1-0.20181221193153-c0795c8afcf4
+	github.com/jackc/pgconn v1.8.1
+	github.com/jackc/pgx/v4 v4.11.0
+	github.com/jessevdk/go-flags v1.5.0
 	github.com/jmoiron/sqlx v1.3.1
 	github.com/ory/dockertest/v3 v3.6.3
 	github.com/stretchr/testify v1.7.0
-	golang.org/x/sys v0.0.0-20210220050731-9a76102bfb43 // indirect
+	golang.org/x/sys v0.0.0-20210324051608-47abb6519492 // indirect
 	gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc // indirect
 	gopkg.in/gomail.v2 v2.0.0-20160411212932-81ebce5c23df
 )