build: correcting GPG signature

Author: novoj

.github/workflows/ci-master.yml

@@ -55,8 +55,7 @@ jobs:
           gpg-passphrase: MAVEN_GPG_PASSPHRASE
 
       - name: Build with Maven
-        run: |
-          export GPG_TTY=$(tty)
+        run: |        
           export CURRENT_VERSION="${{ steps.release_version.outputs.version }}"
           export NEW_VERSION="$( echo ${CURRENT_VERSION} | sed 's/^v//')"
           mvn versions:set -DnewVersion=$NEW_VERSION