Bump ruby from 2.5.3-alpine to 3.3.2-alpine in /epicbox-ruby #166

Job	Run time
Build epicbox-haskell image	20s
Build epicbox-clojure image	22s
Build epicbox/debian image	20s
Build epicbox-go image	23s
Build epicbox-hyperskill/go image	19s
Build epicbox-hyperskill/gradle-spring image	20s
Build epicbox-hyperskill/gradle image	20s
Build epicbox-hyperskill/java image	23s
Build epicbox-hyperskill/node-javascript image	18s
Build epicbox-hyperskill/node image	20s
Build epicbox-hyperskill/python image	25s
Build epicbox/java17 image	19s
Build epicbox/node image	21s
Build epicbox/kotlin image	22s
Build epicbox/php image	23s
Build epicbox/pmd image	22s
Build epicbox/python 3.10 image	21s
Build epicbox/python 3.11 image	21s
Build epicbox/ruby image	20s
Build epicbox/scala3 image	21s
Build epicbox/scala2 image	19s
Build epicbox/typescript image	19s
Build epicbox-gcc image	0s
Build epicbox/mono image	0s
Build epicbox-hyperskill/gcc image	0s
Clean untagged images	0s
	7m 38s

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