Checkout submodules in github actions #479

Job	Run time
COVERAGE_DEBUG_NTS	28m 26s
PECL	1m 48s
Generate Matrix	1m 24s
PHP-IR-TEST_COMMUNITY	33m 46s
PHP-IR-TEST_MACOS_DEBUG_ZTS	33m 39s
PHP-IR-TEST_MACOS_DEBUG_NTS	29m 1s
PHP-IR-TEST_MACOS_RELEASE_ZTS	29m 3s
PHP-IR-TEST_MACOS_RELEASE_NTS	28m 59s
PHP-IR-TEST_LINUX_X32_DEBUG_ZTS	28s
PHP-IR-TEST_LINUX_X32_DEBUG_NTS	25s
PHP-IR-TEST_LINUX_X32_RELEASE_ZTS	19s
PHP-IR-TEST_LINUX_X32_RELEASE_NTS	22s
PHP-IR-TEST_LINUX_X64_DEBUG_ZTS	28m 53s
PHP-IR-TEST_LINUX_X64_DEBUG_NTS	29m 1s
PHP-IR-TEST_LINUX_X64_RELEASE_ZTS	29m 2s
PHP-IR-TEST_LINUX_X64_RELEASE_NTS	29m 14s
PHP-IR-TEST_LINUX_X64_ASAN_UBSAN_DEBUG_ZTS	29m 4s
PHP-IR-TEST_LINUX_X64_REPEAT_DEBUG_NTS	29m 4s
PHP-IR-TEST_LINUX_X64_VARIATION_DEBUG_ZTS	29m 4s
PHP-IR-TEST_OPCACHE_VARIATION	29m 4s
PHP-IR-TEST_LIBMYSQLCLIENT	8m 35s
PHP-IR-TEST_WINDOWS_X64_ZTS	7m 25s
PHP-IR-TEST_WINDOWS_X86_NTS	6m 24s
PHP-IR-TEST_MSAN	6m 48s
	7h 29m 18s

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