pgAdmin 4 commit: Fixed an issue where the procedure creation is failed

Fixed an issue where the procedure creation is failed when providing the Volatility option. Fixes #6293

Branch
------
master

Details
-------
https://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=a29890368c055ee524327107d323001719bcaab2

Modified Files
--------------
docs/en_US/release_notes_5_2.rst                                      | 2 ++
.../functions/templates/functions/ppas/sql/9.5_plus/create.sql        | 2 +-
.../functions/templates/procedures/ppas/sql/11_plus/create.sql        | 4 ++--
.../functions/templates/procedures/ppas/sql/11_plus/update.sql        | 2 +-
4 files changed, 6 insertions(+), 4 deletions(-)