Update master.yml

Author: AB-xdev

.github/workflows/master.yml

@@ -10,6 +10,10 @@ jobs:
     runs-on: ubuntu-latest    
 
     steps:
+    # https://github.com/keybase/keybase-issues/issues/2798
+    - name: Fix GPG
+      run: export GPG_TTY=$(tty)
+
     - uses: actions/checkout@v2
 
     - name: Set up JDK 1.8