Refactor Docker Buildx setup location in workflow #248

Job	Run time
Build epicbox-go image	24s
Build epicbox/debian image	38s
Build epicbox-haskell image	5m 13s
Build epicbox-clojure image	29s
Build epicbox-hyperskill/go image	2m 38s
Build epicbox-hyperskill/gradle image	1m 56s
Build epicbox-hyperskill/gradle-spring image	1m 26s
Build epicbox-hyperskill/java image	52s
Build epicbox-hyperskill/node image	5m 16s
Build epicbox-hyperskill/node-javascript image	1m 34s
Build epicbox-hyperskill/python image	51s
Build epicbox/hyperstyle image	3m 16s
Build epicbox/java image	37s
Build epicbox/kotlin image	50s
Build epicbox/node image	31s
Build epicbox/pmd image	33s
Build epicbox/php image	28s
Build epicbox/python 3.11 image	2m 52s
Build epicbox/python 3.10 image	3m 11s
Build epicbox/ruby image	2m 9s
Build epicbox/scala2 image	38s
Build epicbox/scala3 image	41s
Build epicbox/typescript image	37s
Build epicbox-gcc image	56s
Build epicbox/mono image	1m 25s
Build epicbox-hyperskill/gcc image	2m 23s
Clean untagged images	1s
	42m 25s

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