follow docs advice on exponential backoff of SheetsAPI

src/auto_archiver/modules/gsheet_feeder_db/gsheet_feeder_db.py

@@ -178,9 +178,7 @@ class GsheetsFeederDB(Feeder, Database):
             )
 
         @retry(
-            wait_incrementing_start=1000,
-            wait_incrementing_increment=3000,
-            wait_incrementing_max=20_000,
+            wait_exponential_multiplier=1,
             stop_max_attempt_number=5,
         )
         def batch_set_cell_with_retry(gw, cell_updates: list):

src/auto_archiver/modules/gsheet_feeder_db/gworksheet.py

@@ -28,10 +28,8 @@ class GWorksheet:
     }
 
     @retry(
-        wait_incrementing_start=1000,
-        wait_incrementing_increment=3000,
-        wait_incrementing_max=20_000,
-        stop_max_attempt_number=5,
+        wait_exponential_multiplier=1,
+        stop_max_attempt_number=6,
     )
     def __init__(self, worksheet, columns=COLUMN_NAMES, header_row=1):
         self.wks = worksheet