chore(deps): pin dependency html-webpack-plugin to 5.6.0

Renovate-Branch: renovate/pin-dependencies
Change-Id: I74aba858060938a76497ed4d4a7751969d755793
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 9b97443..ddac06e 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -88,7 +88,7 @@
         specifier: 9.11.1
         version: 9.11.1
       html-webpack-plugin:
-        specifier: ^5.6.0
+        specifier: 5.6.0
         version: 5.6.0(webpack@5.95.0(webpack-cli@5.1.4))
       jest:
         specifier: 29.7.0