Fix version constraint on ssp-local dependencies

Author: tvdijen

composer.json

@@ -43,11 +43,11 @@
         "ext-pcre": "*",
         "ext-spl": "*",
 
-        "simplesamlphp/assert": "~1.9.0",
-        "simplesamlphp/xml-common": "~2.1.0"
+        "simplesamlphp/assert": "~1.9",
+        "simplesamlphp/xml-common": "~2.2"
     },
     "require-dev": {
-        "simplesamlphp/simplesamlphp-test-framework": "~1.10.2"
+        "simplesamlphp/simplesamlphp-test-framework": "~1.10"
     },
     "config": {
         "allow-plugins": {