chore(deps): roll up dependabot updates (#903)

Rolls up the current open Dependabot npm updates:

- #848 esbuild from 0.27.5 to 0.28.0
- #847 undici from 8.0.0 to 8.3.0
- #846 ts-jest from 29.4.9 to 29.4.11
- #841 @biomejs/biome from 2.4.10 to 2.4.15, including the matching
biome.json schema URL update

Validation:

- npm run all

biome.json

@@ -1,5 +1,5 @@
 {
-  "$schema": "https://biomejs.dev/schemas/2.4.10/schema.json",
+  "$schema": "https://biomejs.dev/schemas/2.4.15/schema.json",
   "assist": {
     "actions": {
       "source": {

package.json

@@ -36,18 +36,18 @@
     "@actions/tool-cache": "^4.0.0",
     "@renovatebot/pep440": "^4.2.2",
     "smol-toml": "^1.6.1",
-    "undici": "^8.0.0"
+    "undici": "^8.3.0"
   },
   "devDependencies": {
-    "@biomejs/biome": "^2.4.10",
+    "@biomejs/biome": "^2.4.15",
     "@types/js-yaml": "^4.0.9",
     "@types/node": "^25.5.0",
     "@types/semver": "^7.7.1",
     "@vercel/ncc": "^0.38.4",
-    "esbuild": "^0.27.5",
+    "esbuild": "^0.28.0",
     "jest": "^30.3.0",
     "js-yaml": "^4.1.1",
-    "ts-jest": "^29.4.9",
+    "ts-jest": "^29.4.11",
     "typescript": "^5.9.3"
   }
 }