Bump pg from 7.18.1 to 8.0.0

Bumps [pg](https://github.com/brianc/node-postgres) from 7.18.1 to 8.0.0.
- [Release notes](https://github.com/brianc/node-postgres/releases)
- [Changelog](https://github.com/brianc/node-postgres/blob/master/CHANGELOG.md)
- [Commits](https://github.com/brianc/node-postgres/compare/pg@7.18.1...pg@8.0.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -32,7 +32,7 @@
     "is-travis": "^2.0.0",
     "mocha": "^6.2.2",
     "nyc": "^14.1.1",
-    "pg": "^7.14.0",
+    "pg": "^8.0.0",
     "semistandard": "^14.2.0"
   },
   "keywords": [
@@ -60,7 +60,7 @@
     "semver": "^7.1.2"
   },
   "peerDependencies": {
-    "pg": "^7.14.0"
+    "pg": "^8.0.0"
   },
   "engine": {
     "node": "^10.0.0 || ^12.0.0"

yarn.lock

@@ -1720,11 +1720,16 @@ pg-packet-stream@^1.1.0:
   resolved "https://registry.yarnpkg.com/pg-packet-stream/-/pg-packet-stream-1.1.0.tgz#e45c3ae678b901a2873af1e17b92d787962ef914"
   integrity sha512-kRBH0tDIW/8lfnnOyTwKD23ygJ/kexQVXZs7gEyBljw4FYqimZFxnMMx50ndZ8In77QgfGuItS5LLclC2TtjYg==
 
-pg-pool@^2.0.10, pg-pool@^2.0.7:
+pg-pool@^2.0.7:
   version "2.0.10"
   resolved "https://registry.yarnpkg.com/pg-pool/-/pg-pool-2.0.10.tgz#842ee23b04e86824ce9d786430f8365082d81c4a"
   integrity sha512-qdwzY92bHf3nwzIUcj+zJ0Qo5lpG/YxchahxIN8+ZVmXqkahKXsnl2aiJPHLYN9o5mB/leG+Xh6XKxtP7e0sjg==
 
+pg-pool@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/pg-pool/-/pg-pool-3.0.0.tgz#2330d18888db1c444a67461122b44f83d2c9c231"
+  integrity sha512-AJWVHFre7CjOtu4D/PQjX+U9uhNKGRFSO9xQAzB7cn1Xu1vmhyo8s8eg9cw6kf2m2/+TYuvMH8i5jeFPSdllPw==
+
 pg-types@^2.1.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/pg-types/-/pg-types-2.2.0.tgz#2d0250d636454f7cfa3b6ae0382fdfa8063254a3"
@@ -1736,16 +1741,16 @@ pg-types@^2.1.0:
     postgres-date "~1.0.4"
     postgres-interval "^1.1.0"
 
-pg@^7.14.0:
-  version "7.18.1"
-  resolved "https://registry.yarnpkg.com/pg/-/pg-7.18.1.tgz#67f59c47a99456fcb34f9fe53662b79d4a992f6d"
-  integrity sha512-1KtKBKg/zWrjEEv//klBbVOPGucuc7HHeJf6OEMueVcUeyF3yueHf+DvhVwBjIAe9/97RAydO/lWjkcMwssuEw==
+pg@^8.0.0:
+  version "8.0.0"
+  resolved "https://registry.yarnpkg.com/pg/-/pg-8.0.0.tgz#6559c6f895b9e735b3079995acb5de3f39ade59f"
+  integrity sha512-jinx9Xcmkeh7Y7gatu2EJiXr37mcDeF0G5X14MjqPMwYjoZMk7PMMSTTXQQl03GRp2IICxo/zyybqfv2RNgXsg==
   dependencies:
     buffer-writer "2.0.0"
     packet-reader "1.0.0"
     pg-connection-string "0.1.3"
     pg-packet-stream "^1.1.0"
-    pg-pool "^2.0.10"
+    pg-pool "^3.0.0"
     pg-types "^2.1.0"
     pgpass "1.x"
     semver "4.3.2"