docs: reword nodes-ephemerality for clarity (#19604) #1279

Job	Run time
Check Modified Files	38s
Generate Docker Tags	0s
Generate Docker Build Matrix	19s
Build Docker Images (amd64, linux/amd64, false, ubuntu-24.04)	5s
Build Docker Images (i386, linux/386, false, ubuntu-24.04)	9s
Build Docker Images (armv7l, linux/arm/v7, false, ubuntu-24.04-arm)	9s
Build Docker Images (arm64, linux/arm64/v8, false, ubuntu-24.04-arm)	11s
Build Docker Images (ppc64le, linux/ppc64le, true, ubuntu-24.04-arm)	10s
Push Images to GHCR	0s
Push Images to Quay.io	0s
Push Images to Docker Hub	0s
Consolidate and tag images for GHCR	0s
Consolidate and tag images for Quay.io	0s
Consolidate and tag images for DockerHub	0s
Trigger subsquent workflows for newly added versions	0s
	1m 41s

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