Prepare release notes for 5.9.3

Author: sbrannen

documentation/src/docs/asciidoc/release-notes/release-notes-5.9.3.adoc

@@ -1,9 +1,9 @@
 [[release-notes-5.9.3]]
 == 5.9.3
 
-*Date of Release:* ❓
+*Date of Release:* April ❓, 2023
 
-*Scope:* ❓
+*Scope:* Bug fixes and enhancements since 5.9.2
 
 For a complete list of all _closed_ issues and pull requests for this release, consult the
 link:{junit5-repo}+/milestone/67?closed=1+[5.9.3] milestone page in the
@@ -13,17 +13,7 @@ JUnit repository on GitHub.
 [[release-notes-5.9.3-junit-platform]]
 === JUnit Platform
 
-==== Bug Fixes
-
-* ❓
-
-==== Deprecations and Breaking Changes
-
-* ❓
-
-==== New Features and Improvements
-
-* ❓
+No changes.
 
 
 [[release-notes-5.9.3-junit-jupiter]]
@@ -55,10 +45,6 @@ JUnit repository on GitHub.
   compatibility; however, using `private` visibility for lifecycle methods is strongly
   discouraged and will be disallowed in a future release.
 
-==== Deprecations and Breaking Changes
-
-* ❓
-
 ==== New Features and Improvements
 
 * The search algorithm used to find `@MethodSource` factory methods now falls back to
@@ -70,14 +56,4 @@ JUnit repository on GitHub.
 [[release-notes-5.9.3-junit-vintage]]
 === JUnit Vintage
 
-==== Bug Fixes
-
-* ❓
-
-==== Deprecations and Breaking Changes
-
-* ❓
-
-==== New Features and Improvements
-
-* ❓
+No changes.