ci: make sure git directories don't have unneeded files in them (#15247)
ci: make sure git directories don't have unneeded files in them (#15247)


gerhardberger/electron,gerhardberger/electron,seanchas116/electron,bpasero/electron,electron/electron,bpasero/electron,seanchas116/electron,electron/electron,the-ress/electron,the-ress/electron,seanchas116/electron,electron/electron,electron/electron,seanchas116/electron,the-ress/electron,electron/electron,gerhardberger/electron,the-ress/electron,electron/electron,bpasero/electron,bpasero/electron,electron/electron,the-ress/electron,seanchas116/electron,gerhardberger/electron,gerhardberger/electron,bpasero/electron,the-ress/electron,bpasero/electron,gerhardberger/electron,the-ress/electron,bpasero/electron,seanchas116/electron,gerhardberger/electron