Use correct paketo buildpacks

internal/integrations/buildpacks/go.go

@@ -81,7 +81,7 @@ func (runtime *goRuntime) Detect(
 
 	paketoBuildpackInfo := BuildpackInfo{
 		Name:      "Go",
-		Buildpack: "paketobuildpacks/go",
+		Buildpack: "gcr.io/paketo-buildpacks/go",
 	}
 	herokuBuildpackInfo := BuildpackInfo{
 		Name:      "Go",

internal/integrations/buildpacks/nodejs.go

@@ -178,7 +178,7 @@ func (runtime *nodejsRuntime) Detect(
 
 	paketoBuildpackInfo := BuildpackInfo{
 		Name:      "NodeJS",
-		Buildpack: "paketobuildpacks/nodejs",
+		Buildpack: "gcr.io/paketo-buildpacks/nodejs",
 	}
 	herokuBuildpackInfo := BuildpackInfo{
 		Name:      "NodeJS",

internal/integrations/buildpacks/python.go

@@ -129,7 +129,7 @@ func (runtime *pythonRuntime) Detect(
 
 	paketoBuildpackInfo := BuildpackInfo{
 		Name:      "Python",
-		Buildpack: "paketobuildpacks/python",
+		Buildpack: "gcr.io/paketo-buildpacks/python",
 	}
 	herokuBuildpackInfo := BuildpackInfo{
 		Name:      "Python",

internal/integrations/buildpacks/ruby.go

@@ -205,7 +205,7 @@ func (runtime *rubyRuntime) Detect(
 
 	paketoBuildpackInfo := BuildpackInfo{
 		Name:      "Ruby",
-		Buildpack: "paketobuildpacks/ruby",
+		Buildpack: "gcr.io/paketo-buildpacks/ruby",
 	}
 	herokuBuildpackInfo := BuildpackInfo{
 		Name:      "Ruby",