chore: update dependency typeorm to ^0.3.20

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

extensions/typeorm/package.json

@@ -40,7 +40,7 @@
   "dependencies": {
     "debug": "^4.3.4",
     "tslib": "^2.6.2",
-    "typeorm": "^0.3.19"
+    "typeorm": "^0.3.20"
   },
   "devDependencies": {
     "@loopback/boot": "^6.1.5",