aspects.Metadata: Add CommitMessage.Emptiness
aspects.Metadata: Add CommitMessage.Emptiness

Needed for GitCommitBear

yashtrivedi96/coala,nemaniarjun/coala,rimacone/testing2,CruiseDevice/coala,damngamerz/coala,shreyans800755/coala,RJ722/coala,yashtrivedi96/coala,netman92/coala,rimacone/testing2,shreyans800755/coala,yashLadha/coala,nemaniarjun/coala,meetmangukiya/coala,incorrectusername/coala,arjunsinghy96/coala,SanketDG/coala,coala-analyzer/coala,incorrectusername/coala,netman92/coala,refeed/coala,NiklasMM/coala,NiklasMM/coala,yashtrivedi96/coala,NiklasMM/coala,Balaji2198/coala,arush0311/coala,sils1297/coala,yashLadha/coala,Nosferatul/coala,jayvdb/coala,Asnelchristian/coala,meetmangukiya/coala,impmihai/coala,JohnS-01/coala,RJ722/coala,sagark123/coala,damngamerz/coala,MariosPanag/coala,coala-analyzer/coala,incorrectusername/coala,shreyans800755/coala,Shade5/coala,Nosferatul/coala,kartikeys98/coala,coala/coala,karansingh1559/coala,Balaji2198/coala,arjunsinghy96/coala,ayushin78/coala,refeed/coala,refeed/coala,JohnS-01/coala,Asnelchristian/coala,arjunsinghy96/coala,MariosPanag/coala,rimacone/testing2,CruiseDevice/coala,sagark123/coala,Asnelchristian/coala,coala/coala,aptrishu/coala,Shade5/coala,karansingh1559/coala,aptrishu/coala,impmihai/coala,ayushin78/coala,SanketDG/coala,SanketDG/coala,sils1297/coala,MariosPanag/coala,nemaniarjun/coala,RJ722/coala,Asalle/coala,Nosferatul/coala,jayvdb/coala,CruiseDevice/coala,meetmangukiya/coala,Asalle/coala,aptrishu/coala,yashLadha/coala,Shade5/coala,sils1297/coala,ayushin78/coala,karansingh1559/coala,impmihai/coala,coala/coala,damngamerz/coala,JohnS-01/coala,coala-analyzer/coala,jayvdb/coala,arush0311/coala,sagark123/coala,kartikeys98/coala,Balaji2198/coala,arush0311/coala,Asalle/coala,netman92/coala,kartikeys98/coala