Introduce debug symbols flag for static build #152

Job	Run time
prepare	11s
build (php-8-2-13-alpine, linux/amd64)	3m 53s
build (php-8-2-13-alpine, linux/386)	3m 14s
build (php-8-2-13-alpine, linux/arm/v6)	16m 17s
build (php-8-2-13-alpine, linux/arm/v7)	14m 28s
build (php-8-2-13-alpine, linux/arm64)	13m 0s
build (php-8-2-13-bookworm, linux/amd64)	3m 59s
build (php-8-2-13-bookworm, linux/386)	3m 15s
build (php-8-2-13-bookworm, linux/arm/v6)	15m 40s
build (php-8-2-13-bookworm, linux/arm/v7)	14m 55s
build (php-8-2-13-bookworm, linux/arm64)	13m 35s
build (php-8-3-0-alpine, linux/amd64)	8m 53s
build (php-8-3-0-alpine, linux/386)	7m 59s
build (php-8-3-0-alpine, linux/arm/v6)	14m 36s
build (php-8-3-0-alpine, linux/arm/v7)	14m 37s
build (php-8-3-0-alpine, linux/arm64)	13m 21s
build (php-8-3-0-bookworm, linux/amd64)	7m 6s
build (php-8-3-0-bookworm, linux/386)	7m 25s
build (php-8-3-0-bookworm, linux/arm/v6)	14m 31s
build (php-8-3-0-bookworm, linux/arm/v7)	18m 17s
build (php-8-3-0-bookworm, linux/arm64)	17m 24s
push	0s
	3h 46m 36s

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