fix: deprecation notices (#189)

Author: Greg Bowler

composer.json

@@ -4,12 +4,12 @@
 	"license": "MIT",
 
 	"require": {
-		"phpgt/http": "1.*"
+		"phpgt/http": "^v1.1"
 	},
 
 	"require-dev": {
-		"phpunit/phpunit": "9.*",
-		"phpstan/phpstan": ">=0.12.64"
+		"phpunit/phpunit": "^v9.5",
+		"phpstan/phpstan": "^v1.4"
 	},
 
 	"autoload": {