docs: xcaddy build flags #127

Job	Run time
prepare	18s
build (php-8-2-13-alpine, linux/amd64)	3m 59s
build (php-8-2-13-alpine, linux/386)	6m 56s
build (php-8-2-13-alpine, linux/arm/v6)	14m 35s
build (php-8-2-13-alpine, linux/arm/v7)	15m 39s
build (php-8-2-13-alpine, linux/arm64)	14m 21s
build (php-8-2-13-bookworm, linux/amd64)	6m 0s
build (php-8-2-13-bookworm, linux/386)	4m 26s
build (php-8-2-13-bookworm, linux/arm/v6)	15m 44s
build (php-8-2-13-bookworm, linux/arm/v7)	15m 9s
build (php-8-2-13-bookworm, linux/arm64)	13m 56s
build (php-8-3-0-alpine, linux/amd64)	3m 56s
build (php-8-3-0-alpine, linux/386)	3m 30s
build (php-8-3-0-alpine, linux/arm/v6)	14m 45s
build (php-8-3-0-alpine, linux/arm/v7)	14m 31s
build (php-8-3-0-alpine, linux/arm64)	13m 48s
build (php-8-3-0-bookworm, linux/amd64)	7m 3s
build (php-8-3-0-bookworm, linux/386)	8m 3s
build (php-8-3-0-bookworm, linux/arm/v6)	15m 1s
build (php-8-3-0-bookworm, linux/arm/v7)	15m 4s
build (php-8-3-0-bookworm, linux/arm64)	13m 17s
push	0s
	3h 40m 1s

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