Switch from Go's flag package to pflag

src/bpm-utils-shared/go.mod

@@ -2,4 +2,7 @@ module bpm-utils-shared
 
 go 1.23
 
-require gopkg.in/yaml.v3 v3.0.1 // indirect
+require (
+	github.com/spf13/pflag v1.0.10
+	gopkg.in/yaml.v3 v3.0.1
+)

src/bpm-utils-shared/go.sum

@@ -1,3 +1,6 @@
+github.com/spf13/pflag v1.0.10 h1:4EBh2KAYBwaONj6b2Ye1GiHfwjqyROoF4RwYO+vPwFk=
+github.com/spf13/pflag v1.0.10/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

src/bpm-utils-shared/main.go

@@ -1,10 +1,11 @@
 package bpm_utils_shared
 
 import (
-	"flag"
 	"fmt"
-	"gopkg.in/yaml.v3"
 	"os"
+
+	flag "github.com/spf13/pflag"
+	"gopkg.in/yaml.v3"
 )
 
 var usageMsg string