Upgrade Maven API 3.8.7 -> 3.8.8

See:
- https://maven.apache.org/release-notes-all.html

pom.xml

@@ -209,7 +209,7 @@
         <version.error-prone-slf4j>0.1.22</version.error-prone-slf4j>
         <version.guava-beta-checker>1.0</version.guava-beta-checker>
         <version.jdk>11</version.jdk>
-        <version.maven>3.8.7</version.maven>
+        <version.maven>3.8.8</version.maven>
         <version.mockito>5.8.0</version.mockito>
         <version.nopen-checker>1.0.1</version.nopen-checker>
         <version.nullaway>0.10.19</version.nullaway>