Update dependency pg to v7

package.json

@@ -33,7 +33,7 @@
     "newrelic": "^4.1.1",
     "passport": "^0.4.0",
     "passport-github": "^1.1.0",
-    "pg": "^4.5.7",
+    "pg": "^7.0.0",
     "pg-pubsub": "~0.3.0",
     "request": "^2.86.0",
     "tema": "^0.2.1",

yarn.lock

@@ -3047,6 +3047,10 @@ packet-reader@0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/packet-reader/-/packet-reader-0.2.0.tgz#819df4d010b82d5ea5671f8a1a3acf039bcd7700"
 
+packet-reader@0.3.1:
+  version "0.3.1"
+  resolved "https://registry.yarnpkg.com/packet-reader/-/packet-reader-0.3.1.tgz#cd62e60af8d7fea8a705ec4ff990871c46871f27"
+
 pako@~0.2.0:
   version "0.2.9"
   resolved "https://registry.yarnpkg.com/pako/-/pako-0.2.9.tgz#f3f7522f4ef782348da8161bad9ecfd51bf83a75"
@@ -3165,6 +3169,10 @@ pg-int8@1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/pg-int8/-/pg-int8-1.0.1.tgz#943bd463bf5b71b4170115f80f8efc9a0c0eb78c"
 
+pg-pool@~2.0.3:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/pg-pool/-/pg-pool-2.0.3.tgz#c022032c8949f312a4f91fb6409ce04076be3257"
+
 pg-pubsub@~0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/pg-pubsub/-/pg-pubsub-0.3.0.tgz#aed719c002fc92a7383fa1bbc4442ca5180ec5bf"
@@ -3183,7 +3191,16 @@ pg-types@1.*:
     postgres-date "~1.0.0"
     postgres-interval "^1.1.0"
 
-pg@^4.4.1, pg@^4.5.7:
+pg-types@~1.12.1:
+  version "1.12.1"
+  resolved "https://registry.yarnpkg.com/pg-types/-/pg-types-1.12.1.tgz#d64087e3903b58ffaad279e7595c52208a14c3d2"
+  dependencies:
+    postgres-array "~1.0.0"
+    postgres-bytea "~1.0.0"
+    postgres-date "~1.0.0"
+    postgres-interval "^1.1.0"
+
+pg@^4.4.1:
   version "4.5.7"
   resolved "https://registry.yarnpkg.com/pg/-/pg-4.5.7.tgz#45ae16b23706a6345a03279decc6af795c16d29b"
   dependencies:
@@ -3196,12 +3213,30 @@ pg@^4.4.1, pg@^4.5.7:
     pgpass "0.0.3"
     semver "^4.1.0"
 
+pg@^7.0.0:
+  version "7.4.3"
+  resolved "https://registry.yarnpkg.com/pg/-/pg-7.4.3.tgz#f7b6f93f5340ecc2596afbb94a13e3d6b609834b"
+  dependencies:
+    buffer-writer "1.0.1"
+    packet-reader "0.3.1"
+    pg-connection-string "0.1.3"
+    pg-pool "~2.0.3"
+    pg-types "~1.12.1"
+    pgpass "1.x"
+    semver "4.3.2"
+
 pgpass@0.0.3:
   version "0.0.3"
   resolved "https://registry.yarnpkg.com/pgpass/-/pgpass-0.0.3.tgz#12e67e343b3189c2f31206ebc9cc0befffcf9140"
   dependencies:
     split "~0.3"
 
+pgpass@1.x:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/pgpass/-/pgpass-1.0.2.tgz#2a7bb41b6065b67907e91da1b07c1847c877b306"
+  dependencies:
+    split "^1.0.0"
+
 pify@^2.0.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/pify/-/pify-2.3.0.tgz#ed141a6ac043a849ea588498e7dca8b15330e90c"
@@ -3594,6 +3629,10 @@ sax@>=0.6.0:
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.5.0.tgz#dc4bbc7a6ca9d916dee5d43516f0092b58f7b8ab"
 
+semver@4.3.2:
+  version "4.3.2"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-4.3.2.tgz#c7a07158a80bedd052355b770d82d6640f803be7"
+
 semver@^4.1.0:
   version "4.3.6"
   resolved "https://registry.yarnpkg.com/semver/-/semver-4.3.6.tgz#300bc6e0e86374f7ba61068b5b1ecd57fc6532da"
@@ -3803,6 +3842,12 @@ split-string@^3.0.1, split-string@^3.0.2:
   dependencies:
     extend-shallow "^3.0.0"
 
+split@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/split/-/split-1.0.1.tgz#605bd9be303aa59fb35f9229fbea0ddec9ea07d9"
+  dependencies:
+    through "2"
+
 split@~0.3:
   version "0.3.3"
   resolved "https://registry.yarnpkg.com/split/-/split-0.3.3.tgz#cd0eea5e63a211dfff7eb0f091c4133e2d0dd28f"