Replace shikiji with shiki and upgrade graphql

[Eptagone]

PR Checklist

Please check if your PR fulfills the following requirements:

• Tests for the changes have been added (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• CI related changes
• Documentation content changes
• infrastructure changes
• Other... Please describe:

What is the current behavior?

shikiji is deprecated because is now merge with shiki.
Current graphql has a vulnerability.

What is the new behavior?

Shikiji was replaced by Shiki and graphql was updated

Other information

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Latest commit: 8beca53

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