Provide passphrase when importing GPG key

.travis.yml

@@ -16,7 +16,9 @@ php:
 
 env:
   global:
-    secure: "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"
+    secure:
+      - "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"
+      - "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"
 matrix:
   allow_failures:
     - php: master
@@ -45,7 +47,10 @@ jobs:
     - stage: phar
       php: 7.3
       before_install:
-        - openssl aes-256-cbc -K $encrypted_bd816b4f73f9_key -iv $encrypted_bd816b4f73f9_iv -in build/key.gpg.enc -out build/key.gpg -d && gpg --import build/key.gpg
+        - |
+          openssl aes-256-cbc -K $encrypted_bd816b4f73f9_key -iv $encrypted_bd816b4f73f9_iv -in build/key.gpg.enc -out build/key.gpg -d && \
+          echo $GPG_PASSPHRASE | gpg --batch --passphrase-fd 0 --import build/key.gpg && \
+          rm build/key.gpg
       script:
         - |
           composer install --working-dir=compiler && \