Update symfony/polyfill-* (#1026)

Author: kubawerlos

.dev-tools/composer.lock

@@ -18,7 +18,7 @@ jobs:
       - uses: shivammathur/setup-php@v2
         with:
           php-version: '8.4'
-          extensions: none, curl, dom, json, mbstring, opcache, openssl, simplexml, tokenizer, xml, xmlwriter
+          extensions: none, curl, dom, iconv, json, mbstring, opcache, openssl, simplexml, tokenizer, xml, xmlwriter
           coverage: none
       - if: github.event_name != 'pull_request'
         run: rm ./.dev-tools/composer.lock
@@ -89,7 +89,7 @@ jobs:
       - uses: shivammathur/setup-php@v2
         with:
           php-version: ${{ matrix.php-version }}
-          extensions: none, ctype, curl, dom, json, mbstring, opcache, openssl, simplexml, tokenizer, xml, xmlwriter
+          extensions: none, ctype, curl, dom, iconv, json, mbstring, opcache, openssl, simplexml, tokenizer, xml, xmlwriter
           ini-values: pcov.directory=$GITHUB_WORKSPACE/src, zend.assertions=1
           coverage: ${{ (matrix.calculate-coverage && 'pcov') || 'none' }}