⬆️ Update Debian base image to v12.11 #615

Job	Run time
workflows / JSON Lint	9s
workflows / Gather add-on information	6s
workflows / YAMLLint	9s
workflows / Shellcheck	3s
workflows / Prettier	28s
workflows / Hadolint	8s
workflows / Lint Add-on	34s
workflows / Build aarch64	32s
workflows / Build armv7	32s
workflows / Build amd64	30s
workflows / Build i386	33s
workflows / Build armhf	32s
	4m 16s

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