Simplify Docker tag publishing workflow #2574

Job	Run time
windows_test	45s
docker_build (linux/amd64, duckdb, -linux-amd64-duckdb)	48s
hurl_examples	6s
docker_build (linux/arm64, minimal, -linux-arm64)	46s
docker_build (linux/arm/v7, minimal, -linux-arm-v7)	48s
compile_and_lint	57s
docker_build (linux/amd64, minimal)	56s
docker_build (linux/arm64, duckdb, -linux-arm64-duckdb)	56s
hurl (${{ matrix.example }})	1s
playwright	1s
test	1s
docker_push	1s
	6m 6s

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