Fix two Lintian errors in generated Debian package #1543

Job	Run time
code-quality / Lint Gherkin Feature files	15s
code-quality / Lint GitHub Actions workflows	11s
code-quality / Lint PHP files	20s
code-quality / Spell check	5s
code-quality / PHPCS	16s
code-quality / PHPStan	17s
	1m 24s

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