docker: Update image to golang:1.21.5-alpine3.18.#3214

Merged

1 commit merged intodecred:masterfrom davecgh:contrib_docker_go1_21_5

Dec 6, 2023

+2-2

Commits on Dec 6, 2023

docker: Update image to golang:1.21.5-alpine3.18.
davecgh
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