feat(vcs): cascade verbosity for switching

verbosity argument passed down to update_submodules callee, so that supression
of command outputs is properly cascaded.

Implements: #13329

Author: ByteB4rb1e

src/pip/_internal/vcs/git.py

@@ -353,7 +353,7 @@ def switch(
         cmd_args = make_command("checkout", *extra_flags, rev_options.to_args())
         self.run_command(cmd_args, cwd=dest)
 
-        self.update_submodules(dest)
+        self.update_submodules(dest, verbosity=verbosity)
 
     def update(
         self,

src/pip/_internal/vcs/versioncontrol.py

@@ -579,7 +579,7 @@ def obtain(self, dest: str, url: HiddenText, verbosity: int) -> None:
                 url,
                 rev_display,
             )
-            self.switch(dest, url, rev_options)
+            self.switch(dest, url, rev_options, verbosity=verbosity)
 
     def unpack(self, location: str, url: HiddenText, verbosity: int) -> None:
         """