Fabric API

It appears to have been removed through the 1.21.5 FRAPI port: 4e7a6c5#diff-d2ec982fc6f3d7b37dd9e7170514648d9e63070e23fb88622e7dd3ec0d06934fL31

Pepper confirmed this was not intentional.

This should have caused the build to fail, we should also look into why this didnt:

fabric/gradle/module-validation.gradle

Lines 20 to 27 in e314ff6

    
            * Verifies that each module has the required custom values for module lifecycle in it's FMJ. 
        
            * 
        
            * <p>Example: 
        
            * <pre>{@code 
        
            * "custom": { 
        
            *   "fabric-api:module-lifecycle": "stable" 
        
            * } 
        
            * }</pre>

	* Verifies that each module has the required custom values for module lifecycle in it's FMJ.
	*
	* <p>Example:
	* <pre>{@code
	* "custom": {
	* "fabric-api:module-lifecycle": "stable"
	* }
	* }</pre>

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