[BUGFIX] Update core system extension composer.json file

In commit #11292caf2016587f61ab32258e848d24ae5db663
the update of composer.json was forgotten, so this is added
now.

Resolves: #87893
Related: #87090
Related: #87843
Releases: master
Change-Id: Iff0ce9c5272794f5f433a1098faba7db3e7f1ae0
Reviewed-on: https://review.typo3.org/c/60233
Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Benni Mack <benni@typo3.org>

typo3/sysext/core/composer.json

@@ -19,13 +19,13 @@
 		"ext-pcre": "*",
 		"ext-session": "*",
 		"ext-xml": "*",
+		"algo26-matthias/idna-convert": "1.1.0",
 		"cogpowered/finediff": "~0.3.1",
 		"doctrine/annotations": "^1.3",
 		"doctrine/dbal": "~2.8.0",
 		"doctrine/instantiator": "^1.1",
 		"doctrine/lexer": "^1.0",
 		"guzzlehttp/guzzle": "^6.3.0",
-		"algo26-matthias/idna-convert": "1.1.0",
 		"nikic/php-parser": "^4.0",
 		"psr/container": "^1.0",
 		"psr/http-message": "~1.0",
@@ -37,6 +37,7 @@
 		"symfony/expression-language": "^4.1",
 		"symfony/finder": "^4.1",
 		"symfony/polyfill-intl-icu": "^1.6",
+		"symfony/polyfill-intl-idn": "^1.10",
 		"symfony/polyfill-mbstring": "^1.2",
 		"symfony/routing": "^4.1",
 		"symfony/yaml": "^4.1",