chore(dependencies): Update package dependencies and import statements

Update dependency versions and import paths for various packages:
- Migrate postgres import from Deno land to npm
- Update @std/log to specific version
- Upgrade p-queue to latest version
- Adjust import statements in source files to match new dependency paths

pkgs/edge-worker/deno.json

@@ -4,11 +4,11 @@
   "license": "MIT",
   "exports": "./mod.ts",
   "imports": {
-    "postgres": "https://deno.land/x/postgresjs@v3.4.5/mod.js",
+    "postgres": "npm:postgres@3.4.5",
     "@std/async": "jsr:@std/async",
     "@std/assert": "jsr:@std/assert",
     "@std/testing/mock": "jsr:@std/testing/mock",
-    "@std/log": "jsr:@std/log",
-    "p-queue": "npm:p-queue"
+    "@std/log": "jsr:@std/log@^0.224.13",
+    "p-queue": "npm:p-queue@^8.0.1"
   }
 }

pkgs/edge-worker/src/ExecutionController.ts

@@ -1,4 +1,4 @@
-import PQueue from 'npm:p-queue';
+import PQueue from 'p-queue';
 import { MessageExecutor } from './MessageExecutor.ts';
 import { Queue } from './Queue.ts';
 import { Json } from './types.ts';

pkgs/edge-worker/src/Logger.ts

@@ -1,4 +1,4 @@
-import * as log from 'jsr:@std/log';
+import * as log from '@std/log';
 
 function getLogLevelFromEnv(): log.LevelName {
   const validLevels = [