Update CHANGELOG.md

CHANGELOG.md

@@ -31,6 +31,7 @@ Changes to `main` that are *not* in the latest pre-release:
 - Fixed: add `reversed`, deprecate `desc` for nav `child_nav_order` by [@jmertic] in [#1061]
 - Fixed: `child.child_nav_order` to `node.child_nav_order` by [@mattxwang] in [#1065]
 - Fixed: remove all uses of `/` as SASS division by [@mattxwang] in [#1074]
+- Vendor: update `jekyll-anchor-headings`, `lunr.js` by [@mattxwang] in [#1071]
 - Docs: fix typo in changelog links [@koppor] in [#1000]
 - Docs: update homepage (focus: new features, conciseness, deduplication) by [@pdmosses] in [#1018]
 - Docs: update README (focus: new features, conciseness, deduplication) by [@pdmosses] in [#1019]
@@ -48,6 +49,7 @@ Changes to `main` that are *not* in the latest pre-release:
 [#1040]: https://github.com/just-the-docs/just-the-docs/pull/1040
 [#1061]: https://github.com/just-the-docs/just-the-docs/pull/1061
 [#1065]: https://github.com/just-the-docs/just-the-docs/pull/1065
+[#1071]: https://github.com/just-the-docs/just-the-docs/pull/1071
 [#1074]: https://github.com/just-the-docs/just-the-docs/pull/1074
 
 [@koppor]: https://github.com/koppor