[BUGFIX] Increase size of sitemap_priority database field

The field size is increased to decimal(2,1) to be able to store
the value 1.0 zero in MariaDB databases.

Resolves: #91736
Releases: master, 10.4
Change-Id: I72aa5e5a1f23673f6912b2f042c9d9364fd9855f
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/65020
Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Benni Mack <benni@typo3.org>

typo3/sysext/seo/Tests/Functional/Fixtures/pages-sitemap.xml

@@ -132,6 +132,15 @@
         <deleted>0</deleted>
         <no_index>1</no_index>
     </pages>
+    <pages>
+        <uid>18</uid>
+        <pid>1</pid>
+        <title>Sitemap priority 1.0</title>
+        <tstamp>1491811200</tstamp>
+        <slug>/sitemap-priority-1</slug>
+        <deleted>0</deleted>
+        <sitemap_priority>1.0</sitemap_priority>
+    </pages>
     <pages>
         <uid>100</uid>
         <pid>0</pid>

typo3/sysext/seo/ext_tables.sql

@@ -13,6 +13,6 @@ CREATE TABLE pages (
 	twitter_image int(11) unsigned DEFAULT '0' NOT NULL,
 	twitter_card varchar(255) DEFAULT '' NOT NULL,
 	canonical_link varchar(2048) DEFAULT '' NOT NULL,
-	sitemap_priority decimal(1,1) DEFAULT '0.5' NOT NULL,
+	sitemap_priority decimal(2,1) DEFAULT '0.5' NOT NULL,
 	sitemap_changefreq varchar(10) DEFAULT '' NOT NULL,
 );