[BUGFIX] Change column metaphone to varchar

In case of activated STRICT_TRANS_TABLES, better known as strict_mode,
the index_words record incl. metaphone can not be stored as a string
is provided, but an int is expected.
As various metaphone related methods in TYPO3 return a string
we change the DB type of column metaphone to varchar. We set
the length to 60 as it is the same we use in analyzeHeaderinfo().

Resolves: #99547
Releases: main, 12.4, 11.5
Change-Id: Ice4223f2169595b781ed8c3a7dd5dda3f50e8a1e
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/79817
Tested-by: core-ci <typo3@b13.com>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Benni Mack <benni@typo3.org>

typo3/sysext/indexed_search/ext_tables.sql

@@ -61,7 +61,7 @@ CREATE TABLE index_rel (
 CREATE TABLE index_words (
   wid int(11) DEFAULT '0' NOT NULL,
   baseword varchar(60) DEFAULT '' NOT NULL,
-  metaphone int(11) DEFAULT '0' NOT NULL,
+  metaphone varchar(60) DEFAULT '' NOT NULL,
   is_stopword tinyint(3) DEFAULT '0' NOT NULL,
   PRIMARY KEY (wid),
   KEY baseword (baseword),