chore!: switch from node to bun

also includes dependencies version bump to latest to close old
dependabot npm pull requests

Author: Bellisario

.github/dependabot.yml

@@ -5,7 +5,7 @@
 
 version: 2
 updates:
-  - package-ecosystem: "npm" # See documentation for possible values
+  - package-ecosystem: "bun" # See documentation for possible values
     directory: "/" # Location of package manifests
     schedule:
       interval: "weekly"

.github/workflows/deploy.yml

@@ -16,16 +16,16 @@ jobs:
       - name: Clone repository
         uses: actions/checkout@v3
 
-      - name: Setup Node.js environment
-        uses: actions/setup-node@v3
+      - name: Setup bun
+        uses: oven-sh/setup-bun@v2
         with:
-          node-version: "20.x"
+          bun-version: "1.x"
 
       - name: Install dependencies
-        run: npm ci
+        run: bun install
 
       - name: Build
-        run: npm run build
+        run: bun run build
 
       - name: Upload to Deno Deploy
         uses: denoland/deployctl@v1