allow older versions of pg for backward-compatibility

Author: hallettj

package.json

@@ -29,7 +29,7 @@
     "execa": "1.0.0",
     "get-port": "4.1.0",
     "p-retry": "3.0.1",
-    "pg": "8.4.1"
+    "pg": ">=7.8.1"
   },
   "devDependencies": {
     "@types/dockerode": "2.5.12",

yarn.lock

@@ -3824,10 +3824,10 @@ [email protected]:
   resolved "https://registry.yarnpkg.com/pg-int8/-/pg-int8-1.0.1.tgz#943bd463bf5b71b4170115f80f8efc9a0c0eb78c"
   integrity sha512-WCtabS6t3c8SkpDBUlb1kjOs7l66xsGdKpIPZsg4wR+B3+u9UAum2odSsF9tnvxg80h4ZxLWMy4pRjOsFIqQpw==
 
-pg-pool@^3.2.1:
-  version "3.2.1"
-  resolved "https://registry.yarnpkg.com/pg-pool/-/pg-pool-3.2.1.tgz#5f4afc0f58063659aeefa952d36af49fa28b30e0"
-  integrity sha512-BQDPWUeKenVrMMDN9opfns/kZo4lxmSWhIqo+cSAF7+lfi9ZclQbr9vfnlNaPr8wYF3UYjm5X0yPAhbcgqNOdA==
+pg-pool@^3.2.2:
+  version "3.2.2"
+  resolved "https://registry.yarnpkg.com/pg-pool/-/pg-pool-3.2.2.tgz#a560e433443ed4ad946b84d774b3f22452694dff"
+  integrity sha512-ORJoFxAlmmros8igi608iVEbQNNZlp89diFVx6yV5v+ehmpMY9sK6QgpmgoXbmkNaBAx8cOOZh9g80kJv1ooyA==
 
 pg-protocol@^1.3.0:
   version "1.3.0"
@@ -3845,15 +3845,15 @@ pg-types@^2.1.0:
     postgres-date "~1.0.4"
     postgres-interval "^1.1.0"
 
-pg@8.4.1:
-  version "8.4.1"
-  resolved "https://registry.yarnpkg.com/pg/-/pg-8.4.1.tgz#06cfb6208ae787a869b2f0022da11b90d13d933e"
-  integrity sha512-NRsH0aGMXmX1z8Dd0iaPCxWUw4ffu+lIAmGm+sTCwuDDWkpEgRCAHZYDwqaNhC5hG5DRMOjSUFasMWhvcmLN1A==
+pg@>=7.8.1:
+  version "8.4.2"
+  resolved "https://registry.yarnpkg.com/pg/-/pg-8.4.2.tgz#2aa58166a23391e91d56a7ea57c6d99931c0642a"
+  integrity sha512-E9FlUrrc7w3+sbRmL1CSw99vifACzB2TjhMM9J5w9D1LIg+6un0jKkpHS1EQf2CWhKhec2bhrBLVMmUBDbjPRQ==
   dependencies:
     buffer-writer "2.0.0"
     packet-reader "1.0.0"
     pg-connection-string "^2.4.0"
-    pg-pool "^3.2.1"
+    pg-pool "^3.2.2"
     pg-protocol "^1.3.0"
     pg-types "^2.1.0"
     pgpass "1.x"