MDEV-32219 Shift/reduce grammar conflict: GRANT .. ON FUNCTION

Resolving the shift/reduce conflict conflict in:

GRANT ..  ON /*ambiguity*/ FUNCTION f1 TO foo@localhost;
GRANT ... ON /*ambiguity*/ [TABLE] function TO foo@localhost;

and in

REVOKE ..  ON /*ambiguity*/ FUNCTION f1 TO foo@localhost;
REVOKE ... ON /*ambiguity*/ [TABLE] function TO foo@localhost;

using a new %prec directive.

sql/sql_yacc.yy

@@ -346,9 +346,9 @@ bool my_yyoverflow(short **a, YYSTYPE **b, size_t *yystacksize);
 */
 
 %ifdef MARIADB
-%expect 64
+%expect 62
 %else
-%expect 65
+%expect 63
 %endif
 
 /*
@@ -1284,6 +1284,9 @@ bool my_yyoverflow(short **a, YYSTYPE **b, size_t *yystacksize);
 %left   PREC_BELOW_IDENTIFIER_OPT_SPECIAL_CASE
 %left   TRANSACTION_SYM TIMESTAMP PERIOD_SYM SYSTEM USER COMMENT_SYM
 
+%left   PREC_BELOW_SP_OBJECT_TYPE
+%left   FUNCTION_SYM
+
 
 /*
   Tokens that can appear in a token contraction on the second place
@@ -17358,7 +17361,7 @@ role_name: ident_or_text
 grant_role: role_name | current_role ;
 
 opt_table:
-          /* Empty */
+          /* Empty */        %prec PREC_BELOW_SP_OBJECT_TYPE
         | TABLE_SYM
         ;