PR review fixes: Add typing info to pagecache.Files._follow_symlink()

Author: gcmoreira

volatility3/framework/plugins/linux/pagecache.py

@@ -131,7 +131,10 @@ def get_requirements(cls) -> List[interfaces.configuration.RequirementInterface]
         ]
 
     @staticmethod
-    def _follow_symlink(inode, symlink_path) -> str:
+    def _follow_symlink(
+        inode: interfaces.objects.ObjectInterface,
+        symlink_path: str,
+    ) -> str:
         """Follows (fast) symlinks (kernels >= 4.2.x).
         Fast symlinks are filesystem agnostic.