Merge pull request #139 from humanmade/dependabot/composer/v19-branch…

…/humanmade/wp-simple-saml-approx-0.5.1

Update humanmade/wp-simple-saml requirement from ~0.5.0 to ~0.5.1

composer.json

@@ -17,7 +17,7 @@
 	},
 	"require": {
 		"php": ">=7.1",
-		"humanmade/wp-simple-saml": "~0.5.0"
+		"humanmade/wp-simple-saml": "~0.5.1"
 	},
 	"extra": {
 		"altis": {