update changelog

docs/resources/changelog.md

@@ -6,7 +6,7 @@ Components with the <sl-badge type="warning" pill>Experimental</sl-badge> badge
 
 _During the beta period, these restrictions may be relaxed in the event of a mission-critical bug._ 🐛
 
-## Next
+## 2.0.0-beta.45
 
 This release changes the way component metadata is generated. Previously, the project used TypeDoc to analyze components and generate a very large file with type data. The data was then parsed and converted to an easier-to-consume file called `metadata.json`. Alas, TypeDoc is expensive to run and the metadata format wasn't standard.