feat: extract pashagolub/pglex and use it as external lib

Author: pashagolub

go.mod

@@ -4,6 +4,7 @@ go 1.25.5
 
 require (
 	github.com/jackc/pgx/v5 v5.8.0
+	github.com/pashagolub/pglex v0.0.0-20260227194109-d3a3947d9c13
 	github.com/testcontainers/testcontainers-go v0.40.0
 	github.com/testcontainers/testcontainers-go/modules/postgres v0.40.0
 	github.com/urfave/cli/v3 v3.6.1

go.sum

@@ -93,6 +93,8 @@ github.com/opencontainers/go-digest v1.0.0 h1:apOUWs51W5PlhuyGyz9FCeeBIOUDA/6nW8
 github.com/opencontainers/go-digest v1.0.0/go.mod h1:0JzlMkj0TRzQZfJkVvzbP0HBR3IKzErnv2BNG4W4MAM=
 github.com/opencontainers/image-spec v1.1.1 h1:y0fUlFfIZhPF1W537XOLg0/fcx6zcHCJwooC2xJA040=
 github.com/opencontainers/image-spec v1.1.1/go.mod h1:qpqAh3Dmcf36wStyyWU+kCeDgrGnAve2nCC8+7h8Q0M=
+github.com/pashagolub/pglex v0.0.0-20260227194109-d3a3947d9c13 h1:olTD0awbdSAWj3SpusC+MBZNH4uA7MZIlEzoqWgSyhA=
+github.com/pashagolub/pglex v0.0.0-20260227194109-d3a3947d9c13/go.mod h1:89L5sj3xBuREx5++5+Ctf7VEY9jWPmI6nxxdw8SW4Cg=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=