switch to ESM and update config/test wiring #1565

Job	Run time
daemon-config (macos-15-intel)	7m 11s
daemon-config (ubuntu-24.04-arm)	23s
context (macos-15-intel)	8m 36s
context (windows-latest)	32s
context (ubuntu-24.04-arm)	31s
daemon-config (windows-latest)	28s
build-macos (macos-15-intel)	9m 53s
daemon-config (ubuntu-latest)	20s
context (ubuntu-latest)	21s
lima-start-args	8m 8s
build-linux (containerd-tarball)	41s
undock-regctl-version (v0.8.2)	30s
build-linux (containerd-system)	33s
tcp (windows-latest)	35s
rootless	21s
channel (ubuntu-24.04-arm)	26s
undock-regctl-version (v0.9.0)	23s
channel (ubuntu-latest)	22s
undock-regctl-version	26s
docker-29 (macos-15-intel)	8m 52s
undock-regctl-version (v0.9.0, v0.8.2)	23s
set-host	22s
channel (macos-15-intel)	6m 8s
channel (windows-latest)	27s
docker-29 (windows-latest)	26s
main (windows-latest)	21s
main (ubuntu-24.04-arm, type=image,tag=27.3.1)	37s
main (ubuntu-24.04-arm, v27.3.1)	25s
tcp (ubuntu-latest)	24s
main (ubuntu-24.04-arm)	25s
docker-29 (ubuntu-latest)	21s
main (windows-latest, type=image,tag=27.3.1)	33s
main (macos-15-intel, v27.3.1)	10m 11s
tcp (ubuntu-24.04-arm)	26s
main (windows-latest, v27.3.1)	45s
main (ubuntu-latest, type=image,tag=27.3.1)	23s
main (macos-15-intel, type=image,tag=27.3.1)	4m 11s
main (ubuntu-latest)	21s
main (macos-15-intel)	9m 21s
main (ubuntu-latest, v27.3.1)	23s
tcp (macos-15-intel)	7m 43s
build-windows	1m 6s
	1h 35m 14s

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