Update gemfile #2

Job	Run time
Build (github-pages gem)	26s
Test CSS and JS (18.x)	6s
Validate HTML (3.2)	14s
Build (jekyll gem) (3.9, ubuntu-latest, 3.0)	20s
Build (jekyll gem) (3.9, ubuntu-latest, 3.1)	20s
Build (jekyll gem) (3.9, ubuntu-latest, 3.2)	22s
Build (jekyll gem) (3.9, macos-latest, 3.0)	36s
Build (jekyll gem) (3.9, macos-latest, 3.1)	1m 42s
Build (jekyll gem) (3.9, macos-latest, 3.2)	34s
Build (jekyll gem) (3.9, windows-latest, 3.0)	1m 15s
Build (jekyll gem) (3.9, windows-latest, 3.1)	1m 58s
Build (jekyll gem) (3.9, windows-latest, 3.2)	2m 16s
Build (jekyll gem) (4.3, ubuntu-latest, 3.0)	23s
Build (jekyll gem) (4.3, ubuntu-latest, 3.1)	22s
Build (jekyll gem) (4.3, ubuntu-latest, 3.2)	25s
Build (jekyll gem) (4.3, macos-latest, 3.0)	31s
Build (jekyll gem) (4.3, macos-latest, 3.1)	46s
Build (jekyll gem) (4.3, macos-latest, 3.2)	41s
Build (jekyll gem) (4.3, windows-latest, 3.0)	1m 5s
Build (jekyll gem) (4.3, windows-latest, 3.1)	2m 9s
Build (jekyll gem) (4.3, windows-latest, 3.2)	2m 57s
	19m 28s

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