added rawurlencode for $name

Author: SergkeiM

lib/Github/Api/Environment.php

@@ -36,7 +36,7 @@ public function all($username, $repository, array $params = [])
      */
     public function show($username, $repository, $name)
     {
-        return $this->get('/repos/'.rawurlencode($username).'/'.rawurlencode($repository).'/environments/'.$name);
+        return $this->get('/repos/'.rawurlencode($username).'/'.rawurlencode($repository).'/environments/'.rawurlencode($name));
     }
 
     /**
@@ -65,6 +65,6 @@ public function createOrUpdate($username, $repository, $name, array $params = []
      */
     public function remove(string $username, string $repository, string $name)
     {
-        return $this->delete('/repos/'.rawurlencode($username).'/'.rawurlencode($repository).'/environments/'.$name);
+        return $this->delete('/repos/'.rawurlencode($username).'/'.rawurlencode($repository).'/environments/'.rawurlencode($name));
     }
 }