Bump github.com/jackc/pgx/v4 from 4.6.0 to 4.11.0

Bumps [github.com/jackc/pgx/v4](https://github.com/jackc/pgx) from 4.6.0 to 4.11.0.
- [Release notes](https://github.com/jackc/pgx/releases)
- [Changelog](https://github.com/jackc/pgx/blob/master/CHANGELOG.md)
- [Commits](jackc/pgx@v4.6.0...v4.11.0)

Signed-off-by: dependabot[bot] <support@github.com>

go.mod

@@ -3,12 +3,11 @@ module github.com/go-testfixtures/testfixtures/v3
 require (
 	github.com/denisenkom/go-mssqldb v0.0.0-20191128021309-1d7a30a10f73
 	github.com/go-sql-driver/mysql v1.4.1
-	github.com/jackc/pgx/v4 v4.6.0
+	github.com/jackc/pgx/v4 v4.11.0
 	github.com/joho/godotenv v1.3.0
 	github.com/lib/pq v1.3.0
 	github.com/mattn/go-sqlite3 v1.14.0
 	github.com/spf13/pflag v1.0.5
-	google.golang.org/appengine v1.3.0 // indirect
 	gopkg.in/yaml.v2 v2.2.7
 )