Bump Buidah to v1.42.0 for Podman v5.7

Vendor Buildah v1.42.0 into Podman for v5.7.0.
This will also drag in:

go.podman.io/common v0.66.0
go.podman.io/image v5.38.0
go.podman.io/storage v1.61.0

Signed-off-by: tomsweeneyredhat <tsweeney@redhat.com>

vendor/github.com/containers/buildah/internal/config/override.go

@@ -2,6 +2,7 @@ package config
 
 import (
 	"fmt"
+	"maps"
 	"os"
 	"slices"
 	"strings"
@@ -136,9 +137,7 @@ func OverrideOCI(oconfig *v1.ImageConfig, overrideChanges []string, overrideConf
 			if oconfig.Labels == nil {
 				oconfig.Labels = make(map[string]string)
 			}
-			for k, v := range overrideConfig.Labels {
-				oconfig.Labels[k] = v
-			}
+			maps.Copy(oconfig.Labels, overrideConfig.Labels)
 		}
 		oconfig.StopSignal = overrideConfig.StopSignal
 	}
@@ -206,9 +205,7 @@ func OverrideDocker(dconfig *docker.Config, overrideChanges []string, overrideCo
 			if dconfig.Labels == nil {
 				dconfig.Labels = make(map[string]string)
 			}
-			for k, v := range overrideConfig.Labels {
-				dconfig.Labels[k] = v
-			}
+			maps.Copy(dconfig.Labels, overrideConfig.Labels)
 		}
 		dconfig.StopSignal = overrideConfig.StopSignal
 		dconfig.StopTimeout = overrideConfig.StopTimeout