Upgrading spider fails after the init bug fix due to insertion of duplicate rows into mysql_func

Oct  5 21:12:36 debian-bullseye-amd64 mariadbd[10965]: [ERROR] SPIDER plugin initialization failed at 'if @win_plugin = 0 then  begin not atomic    declare exit handler for 1041, 1123      insert into mysql.func values        ('spider_direct_sql', 2, 'ha_spider.so', 'function'),        ('spider_bg_direct_sql', 2, 'ha_spider.so', 'aggregate'),        ('spider_ping_table', 2, 'ha_spider.so', 'function'),        ('spider_copy_tables', 2, 'ha_spider.so', 'function'),        ('spider_flush_table_mon_cache', 2, 'ha_spider.so', 'function');    create function if not exists spider_direct_sql returns int      soname 'ha_spider.so';    create aggregate function if not exists spider_bg_direct_sql returns int      soname 'ha_spider.so';    create function if not exists spider_ping_table returns int      soname 'ha_spider.so';    create function if not exists spider_copy_tables returns int      soname 'ha_spider.so';    create function if not exists spider_flush_table_mon_cache returns int      soname 'ha_spider.so';  end;else  begin not atomic    declare exit handler for 1041, 1123      insert into mysql.func values        ('spider_direct_sql', 2, 'ha_spider.dll', 'function'),        ('spider_bg_direct_sql', 2, 'ha_spider.dll', 'aggregate'),        ('spider_ping_table', 2, 'ha_spider.dll', 'function'),        ('spider_copy_tables', 2, 'ha_spider.dll', 'function'),        ('spider_flush_table_mon_cache', 2, 'ha_spider.dll', 'function');    create function if not exists spider_direct_sql returns int      soname 'ha_spider.dll';    create aggregate function if not exists spider_bg_direct_sql returns int      soname 'ha_spider.dll';    create function if not exists spider_ping_table returns int      soname 'ha_spider.dll';    create function if not exists spider_copy_tables returns int      soname 'ha_spider.dll';    create function if not exists spider_flush_table_mon_cache returns int      soname 'ha_spider.dll';  end;end if;' by 'Duplicate entry 'spider_direct_sql' for key 'PRIMARY''