Support for PPC on Debian 11 is EOL #5

Job	Run time
build-images (debian:12, linux/386, 10.11, debian12-386, false) / debian:12 (debian12-386 linux/386)	3m 4s
build-images (debian:12, linux/amd64, linux/arm64/v8, linux/ppc64le, 10.11, debian12, false) / debian:12 (debian12 linux/amd64, linux/arm64/v8, linux/ppc64le)	23m 16s
build-images (debian:11, linux/amd64, linux/arm64/v8, 10.11, false) / debian:11 ( linux/amd64, linux/arm64/v8)	12m 22s
build-images (debian:sid, linux/386, 11.4, debiansid-386, false) / debian:sid (debiansid-386 linux/386)	4m 3s
build-images (debian:sid, linux/amd64, linux/arm64/v8, linux/ppc64le, 11.4, false) / debian:sid ( linux/amd64, linux/arm64/v8, linux/ppc64le)	52m 12s
build-images (ubuntu:22.04, linux/amd64, linux/arm64/v8, linux/ppc64le, linux/s390x, 10.11, false) / ubuntu:22.04 ( linux/amd64, linux/arm64/v8, linux/ppc64le, linux/s390x)	31m 55s
build-images (ubuntu:20.04, linux/amd64, linux/arm64/v8, linux/ppc64le, linux/s390x, 10.11, false) / ubuntu:20.04 ( linux/amd64, linux/arm64/v8, linux/ppc64le, linux/s390x)	30m 17s
build-images (ubuntu:24.04, linux/amd64, linux/arm64/v8, linux/ppc64le, linux/s390x, 10.11, false) / ubuntu:24.04 ( linux/amd64, linux/arm64/v8, linux/ppc64le, linux/s390x)	1h 12m 11s
build-images (ubuntu:24.10, linux/amd64, linux/arm64/v8, 11.4, true) / ubuntu:24.10 ( linux/amd64, linux/arm64/v8)	43m 28s
	4h 32m 48s

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