upgrade packages and improve tests

Signed-off-by: Mike Ball <mikedball@gmail.com>

__tests__/is-existing-release.test.ts

@@ -35,11 +35,10 @@ test('does not find a corresponding release tag', async () => {
 
 test('the GitHub API responds with an error', async () => {
   const response = {status: 500}
+
   mockOctokit.rest.repos.getReleaseByTag.mockRejectedValueOnce(response)
 
-  try {
-    await isExistingRelease('mdb', 'terraputs', '500.0.0')
-  } catch (error) {
-    expect(error).toBe(response)
-  }
+  await expect(
+    isExistingRelease('mdb', 'terraputs', '500.0.0')
+  ).rejects.toStrictEqual(response)
 })

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ensure-unpublished-release-action",
-  "version": "0.1.4",
+  "version": "0.1.5",
   "description": "Check that a given GitHub release tag does not already exist",
   "main": "lib/main.js",
   "scripts": {
@@ -28,16 +28,16 @@
     "@actions/github": "5.1.1"
   },
   "devDependencies": {
-    "@types/node": "^18.11.18",
-    "@typescript-eslint/parser": "^5.49.0",
-    "@vercel/ncc": "^0.36.0",
+    "@types/node": "^18.13.0",
+    "@typescript-eslint/parser": "^5.51.0",
+    "@vercel/ncc": "^0.36.1",
     "eslint": "^8.33.0",
     "eslint-plugin-github": "^4.6.0",
     "eslint-plugin-jest": "^27.2.1",
     "jest": "^27.4.7",
     "js-yaml": "^4.1.0",
-    "prettier": "2.8.3",
+    "prettier": "2.8.4",
     "ts-jest": "^27.1.3",
-    "typescript": "^4.9.4"
+    "typescript": "^4.9.5"
   }
 }