upgrades & reduce dependabot frequency (#397)

### Changelog
None

### Docs

None

### Description

- Upgrade yarn
- Upgrade devDependencies
- Reduce dependabot frequency to monthly

Author: jtbandes

.github/dependabot.yml

@@ -7,9 +7,11 @@ updates:
     directory: /
     open-pull-requests-limit: 10
     schedule:
-      interval: daily
+      interval: monthly
+    labels: [] # Disable default labels
 
   - package-ecosystem: github-actions
     directory: /
     schedule:
-      interval: daily
+      interval: monthly
+    labels: [] # Disable default labels

package.json

@@ -34,13 +34,13 @@
     "@foxglove/eslint-plugin": "2.0.0",
     "@foxglove/tsconfig": "2.0.0",
     "@types/jest": "29.5.14",
-    "eslint": "9.14.0",
+    "eslint": "9.17.0",
     "jest": "29.7.0",
     "prettier": "3.4.2",
     "rimraf": "6.0.1",
     "ts-jest": "29.2.5",
     "typescript": "5.7.2",
-    "typescript-eslint": "8.18.0"
+    "typescript-eslint": "8.18.1"
   },
-  "packageManager": "yarn@4.1.1"
+  "packageManager": "yarn@4.5.3"
 }