Add zip-extension to Windows-build #147

Job	Run time
Security checks	27s
Linter	1m 26s
Quality control	24s
Unit tests, PHP ${{ matrix.php-versions }}, ${{ matrix.operating-system }}	0s
Unit tests, PHP ${{ matrix.php-versions }}, ${{ matrix.operating-system }}	0s
Code coverage	-1s
Cleanup artifacts	0s
	2m 16s

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