1) Added release note for v7.7

2) Added exception handling while removing the test database file.

docs/en_US/release_notes.rst

@@ -11,6 +11,7 @@ notes for it.
 .. toctree::
    :maxdepth: 1
 
+   release_notes_7_7
    release_notes_7_6
    release_notes_7_5
    release_notes_7_4

docs/en_US/release_notes_7_7.rst

@@ -0,0 +1,31 @@
+***********
+Version 7.7
+***********
+
+Release date: 2023-09-21
+
+This release contains a number of bug fixes and new features since the release of pgAdmin 4 v7.6.
+
+Supported Database Servers
+**************************
+**PostgreSQL**: 11, 12, 13, 14 and 15
+
+**EDB Advanced Server**: 11, 12, 13, 14 and 15
+
+Bundled PostgreSQL Utilities
+****************************
+**psql**, **pg_dump**, **pg_dumpall**, **pg_restore**: 15.3
+
+
+New features
+************
+
+
+Housekeeping
+************
+
+
+Bug fixes
+*********
+
+  | `Issue #6704 <https://github.com/pgadmin-org/pgadmin4/issues/6704>`_ -  Ensure user is redirected to login page after failed login.

web/regression/python_test_utils/test_utils.py

@@ -954,7 +954,11 @@ def reset_layout_db(user_id=None):
 def remove_db_file():
     """This function use to remove SQLite DB file"""
     if os.path.isfile(config.TEST_SQLITE_PATH):
-        os.remove(config.TEST_SQLITE_PATH)
+        try:
+            os.remove(config.TEST_SQLITE_PATH)
+        except PermissionError:
+            # TODO: Added for issue 6164
+            pass
 
 
 def _cleanup(tester, app_starter):