fix: phpmd prevent migration from being committed

因為預設的 ShortMethodName 規則要求至少 3 個字長
導致 migration 提交因其 up() 被阻擋
所以需要另外拉出來寫規則指定例外

src/stubs/phpmd.xml

@@ -10,6 +10,7 @@
 
     <rule ref="rulesets/naming.xml">
         <exclude name="ShortVariable" />
+        <exclude name="ShortMethodName" />
     </rule>
 
     <rule ref="rulesets/naming.xml/ShortVariable"
@@ -24,5 +25,17 @@
         </properties>
     </rule>
 
+    <rule ref="rulesets/naming.xml/ShortMethodName"
+          since="0.2"
+          message="Avoid method or function with short names like {0}. Configured minimum length is {1}."
+          class="PHPMD\Rule\Naming\ShortMethodName"
+          externalInfoUrl="https://phpmd.org/rules/naming.html#shortmethodname">
+        <priority>3</priority>
+        <properties>
+            <property name="minimum" description="Minimum length for a method or function name" value="3"/>
+            <property name="exceptions" value="up" />
+        </properties>
+    </rule>
+
     <rule ref="rulesets/unusedcode.xml" />
 </pmd>