Add psalm key

Author: jaapio

.github/workflows/push.yml

@@ -37,7 +37,7 @@ jobs:
         run: make install-phive
 
       - name: Install PHAR dependencies
-        run: tools/phive.phar --no-progress install --copy --trust-gpg-keys 4AA394086372C20A,D2CCAC42F6295E7D,E82B2FB314E9906E,8E730BA25823D8B5 --force-accept-unsigned
+        run: tools/phive.phar --no-progress install --copy --trust-gpg-keys 4AA394086372C20A,D2CCAC42F6295E7D,E82B2FB314E9906E,8E730BA25823D8B5,8A03EA3B385DBAA1 --force-accept-unsigned
 
   phpunit-with-coverage:
     runs-on: ubuntu-latest