gh-93857: Fix broken audit-event targets in sqlite3 docs (GH-93859)

Corrected targets for the following audit-events:

- sqlite3.enable_load_extension => sqlite3.Connection.enable_load_extension
- sqlite3.load_extension => sqlite3.Connection.load_extension
(cherry picked from commit ce4d11f)

Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@protonmail.com>

Doc/library/sqlite3.rst

@@ -618,7 +618,7 @@ Connection Objects
 
       Loadable extensions are disabled by default. See [#f1]_.
 
-      .. audit-event:: sqlite3.enable_load_extension connection,enabled sqlite3.enable_load_extension
+      .. audit-event:: sqlite3.enable_load_extension connection,enabled sqlite3.Connection.enable_load_extension
 
       .. versionadded:: 3.2
 
@@ -635,7 +635,7 @@ Connection Objects
 
       Loadable extensions are disabled by default. See [#f1]_.
 
-      .. audit-event:: sqlite3.load_extension connection,path sqlite3.load_extension
+      .. audit-event:: sqlite3.load_extension connection,path sqlite3.Connection.load_extension
 
       .. versionadded:: 3.2