Added GraphQL linting for schema.graphql and updates scripts to now handle linting and prettier for graphql #4246

Job	Run time
Check for code coverage disable	14s
Check for eslint-disable	12s
Checks if sensitive files have been changed without authorization	10s
Check Target Branch	1s
Checks if number of files changed is acceptable	13s
Performs linting, formatting, type-checking, checking for different source and target branch	1m 12s
Test Application	10m 34s
Check Python Code Style	19s
Check if Talawa Admin app starts in Docker	2m 18s
Check if Talawa Admin app starts (No Docker)	1m 37s
Test Deployment to https://docs-admin.talawa.io	2m 36s
Validate CodeRabbit Approval	4s
	19m 30s

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