fix(passbolt): clean setup with correct GPG fingerprint

Passbolt 5.x does not auto-persist the server key fingerprint across
container restarts (no passbolt.php is written). The fingerprint env var
is required and corresponds to the key auto-generated on first clean start.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

passbolt/compose.yml

@@ -6,8 +6,7 @@ services:
       APP_FULL_BASE_URL: https://${TRAEFIK_HOST}
       PASSBOLT_SSL_FORCE: "false"
       PASSBOLT_REGISTRATION_PUBLIC: "false"
-      PASSBOLT_GPG_SERVER_KEY_FINGERPRINT: 128A85D634C4FD9EA13CB76F115856561510E62F
-      PASSBOLT_GPG_SERVER_KEY_EMAIL: passbolt@pivoine.art
+      PASSBOLT_GPG_SERVER_KEY_FINGERPRINT: FB7EEFB9D6024E95E0F19A1768410AE75DD9F9B9
       DATASOURCES_DEFAULT_HOST: passbolt_db
       DATASOURCES_DEFAULT_PORT: "5432"
       DATASOURCES_DEFAULT_DATABASE: passbolt