docs(changelog): fix broken version bumping

Standard Version was not bumping the package metadata files as it
should have been. It's not clear to me why, but there is an open
[GitHub issue][1] for documenting this behaviour.

[1]: https://github.com/conventional-changelog/standard-version/issues/506

Change-Id: Ie89a81272fe507a3d2e1cd33c6ac1bdcc8ac3d75
Signed-off-by: Chris Kay <chris.kay@arm.com>
diff --git a/package.json b/package.json
index 71632a3..3556dc5 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   "private": true,
   "scripts": {
     "postinstall": "husky install",
-    "release": "standard-version -i docs/change-log.md"
+    "release": "standard-version"
   },
   "devDependencies": {
     "@commitlint/cli": "^16.1.0",