Bump filesize from 10.1.4 to 10.1.6

Bumps [filesize](https://github.com/avoidwork/filesize.js) from 10.1.4 to 10.1.6.
- [Changelog](https://github.com/avoidwork/filesize.js/blob/master/CHANGELOG.md)
- [Commits](avoidwork/filesize.js@10.1.4...10.1.6)

---
updated-dependencies:
- dependency-name: filesize
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

shared/lib/package.json

@@ -14,7 +14,7 @@
   "license": "MIT",
   "dependencies": {
     "@govuk-frontend/config": "*",
-    "filesize": "^10.1.4",
+    "filesize": "^10.1.6",
     "glob": "^11.0.0",
     "js-yaml": "^4.1.0",
     "minimatch": "^10.0.1",

shared/stats/package.json

@@ -16,7 +16,7 @@
   "dependencies": {
     "@govuk-frontend/config": "*",
     "@govuk-frontend/lib": "*",
-    "filesize": "^10.1.4"
+    "filesize": "^10.1.6"
   },
   "devDependencies": {
     "@rollup/plugin-node-resolve": "^15.2.3",