deps(dev-npm): bump release-please in /dev-dependencies (#5088)

Bumps [release-please](https://github.com/googleapis/release-please) from 16.5.1 to 16.6.0.
- [Release notes](https://github.com/googleapis/release-please/releases)
- [Changelog](https://github.com/googleapis/release-please/blob/main/CHANGELOG.md)
- [Commits](https://github.com/googleapis/release-please/compare/v16.5.1...v16.6.0)

---
updated-dependencies:
- dependency-name: release-please
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

dev-dependencies/package-lock.json

@@ -11,7 +11,7 @@
       "dependencies": {
         "@commitlint/cli": "^18.4.3",
         "@commitlint/config-conventional": "^18.4.3",
-        "release-please": "^16.5.1"
+        "release-please": "^16.6.0"
       }
     },
     "node_modules/@babel/code-frame": {
@@ -2405,9 +2405,9 @@
       }
     },
     "node_modules/release-please": {
-      "version": "16.5.1",
-      "resolved": "https://registry.npmjs.org/release-please/-/release-please-16.5.1.tgz",
-      "integrity": "sha512-NTM0IBbH0Jc/cdNdcRIDTz9jENVK4uN6HsnPUT0UnAuKEX+kRYVTPobpw+3qLvJvcPwHfyq4eL8FvV+uyNCRzw==",
+      "version": "16.6.0",
+      "resolved": "https://registry.npmjs.org/release-please/-/release-please-16.6.0.tgz",
+      "integrity": "sha512-eU9Nk1G7PjcHXoZa4t2p9bUfLSGz6VP4j2EP6VgeZfLbd4ZrbMd0OuOIhkW7Nd7nEVXWR5DLNtv8IUnd6rPIPA==",
       "dependencies": {
         "@conventional-commits/parser": "^0.4.1",
         "@google-automations/git-file-utils": "^2.0.0",

dev-dependencies/package.json

@@ -5,7 +5,7 @@
   "dependencies": {
     "@commitlint/cli": "^18.4.3",
     "@commitlint/config-conventional": "^18.4.3",
-    "release-please": "^16.5.1"
+    "release-please": "^16.6.0"
   },
   "license": "MIT"
 }