Merge branch 'ogimage' into dev

Author: estruyf

content/changelog/CHANGELOG.md

@@ -18,6 +18,7 @@
 - [#741](https://github.com/estruyf/vscode-front-matter/issues/741): Added message on the content dashboard when content is processed
 - [#747](https://github.com/estruyf/vscode-front-matter/issues/747): The `@frontmatter/extensibility` dependency now supports scripts for placeholders
 - [#752](https://github.com/estruyf/vscode-front-matter/issues/752): Placeholder support in default `list` field values
+- Support for using the `fieldCollection` field in a `block` field
 
 ### 🐞 Fixes