docs(readme): add $config usage

.vscode/settings.json

@@ -0,0 +1,5 @@
+{
+  "cSpell.words": [
+    "Pgpromise"
+  ]
+}

README.md

@@ -179,6 +179,11 @@ import { NestPgpromiseModule } from 'nestjs-pgpromise';
 export class AppModule {}
 ```
 
+Note: You can then access the underlying PGP object through the $config property, for example:
+```javascript
+  new this.pg.$config.pgp.helpers.ColumnSet(['col1', 'col2']);
+```
+
 You can find the details about them in the [pg-promise](https://vitaly-t.github.io/pg-promise/index.html) documentation
 
 ## Contributors ✨

package.json

@@ -28,30 +28,30 @@
     "@nestjs/core": ">7.0.0"
   },
   "dependencies": {
-    "pg-promise": "^10.11.1"
+    "pg-promise": "^10.12.0"
   },
   "devDependencies": {
-    "@nestjs/common": "^9.0.8",
-    "@nestjs/core": "^9.0.8",
-    "@nestjs/platform-express": "^9.0.8",
-    "@nestjs/testing": "9.0.8",
-    "@types/express": "4.17.13",
-    "@types/jest": "28.1.6",
-    "@types/node": "18.6.4",
+    "@nestjs/common": "^9.0.11",
+    "@nestjs/core": "^9.0.11",
+    "@nestjs/platform-express": "^9.0.11",
+    "@nestjs/testing": "9.0.11",
+    "@types/express": "4.17.14",
+    "@types/jest": "29.0.3",
+    "@types/node": "18.7.18",
     "@types/supertest": "2.0.12",
     "cz-conventional-changelog": "3.3.0",
     "husky": "^8.0.1",
-    "jest": "28.1.3",
+    "jest": "29.0.3",
     "lint-staged": "^13.0.3",
     "prettier": "^2.7.1",
     "reflect-metadata": "^0.1.13",
     "rxjs": "^7.5.6",
     "supertest": "6.2.4",
-    "ts-jest": "28.0.7",
+    "ts-jest": "29.0.1",
     "ts-node": "10.9.1",
     "tsconfig-paths": "4.1.0",
     "tslint": "6.1.3",
-    "typescript": "4.7.4"
+    "typescript": "4.8.3"
   },
   "jest": {
     "moduleFileExtensions": [