feature #1082 Feat: Support new Team Repositories Endpoint (iBotPeaches)

This PR was squashed before being merged into the 3.9.x-dev branch.

Discussion
----------

* old - https://docs.github.com/en/rest/teams/teams#list-team-repositories-legacy
* new - https://docs.github.com/en/rest/teams/teams#list-team-repositories

Commits
-------

ca59785 refactor: support new team endpoint, fallback to legacy if no org
69e82d6 test: support new team endpoint, fallback to legacy if no org

lib/Github/Api/Organization/Teams.php

@@ -95,9 +95,16 @@ public function removeMember($team, $username, $organization)
         return $this->delete('/orgs/'.rawurlencode($organization).'/teams/'.rawurlencode($team).'/memberships/'.rawurlencode($username));
     }
 
-    public function repositories($team)
+    /**
+     * @link https://docs.github.com/en/rest/teams/teams#list-team-repositories
+     */
+    public function repositories($team, $organization = '')
     {
-        return $this->get('/teams/'.rawurlencode($team).'/repos');
+        if (empty($organization)) {
+            return $this->get('/teams/'.rawurlencode($team).'/repos');
+        }
+
+        return $this->get('/orgs/'.rawurlencode($organization).'/teams/'.rawurlencode($team).'/repos');
     }
 
     public function repository($team, $organization, $repository)

test/Github/Tests/Api/Organization/TeamsTest.php

@@ -126,6 +126,22 @@ public function shouldGetTeamRepositories()
     {
         $expectedValue = [['name' => 'l3l0repo']];
 
+        $api = $this->getApiMock();
+        $api->expects($this->once())
+            ->method('get')
+            ->with('/orgs/KnpLabs/teams/KnpWorld/repos')
+            ->will($this->returnValue($expectedValue));
+
+        $this->assertEquals($expectedValue, $api->repositories('KnpWorld', 'KnpLabs'));
+    }
+
+    /**
+     * @test
+     */
+    public function shouldGetTeamRepositoriesViaLegacy()
+    {
+        $expectedValue = [['name' => 'l3l0repo']];
+
         $api = $this->getApiMock();
         $api->expects($this->once())
             ->method('get')