Add missing dsig11-elements #1327

Job	Run time
Security checks	13s
Quality control	27s
Linter / json-linter	27s
PHP-Linter (8.2) / linter	22s
PHP-Linter (8.4) / linter	14s
Linter / yaml-linter	6s
PHP-Linter (8.3) / linter	17s
PHP-Linter (8.1) / linter	21s
Linter / style-linter	0s
Linter / ecmascript-linter	0s
Unit tests, PHP ${{ matrix.php-versions }}, ${{ matrix.operating-system }}	0s
Unit tests, PHP ${{ matrix.php-versions }}, ${{ matrix.operating-system }}	0s
Code coverage	0s
Cleanup artifacts	0s
	2m 27s

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