Prepare release notes for 5.8 RC1

Author: sbrannen

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

@@ -16,7 +16,7 @@ authors as well as build tool and IDE vendors.
 
 include::{includedir}/link-attributes.adoc[]
 
-include::{basedir}/release-notes-5.8.0-M2.adoc[]
+include::{basedir}/release-notes-5.8.0-RC1.adoc[]
 
 include::{basedir}/release-notes-5.8.0-M1.adoc[]
 

documentation/src/docs/asciidoc/release-notes/release-notes-5.8.0-M2.adoc renamed to documentation/src/docs/asciidoc/release-notes/release-notes-5.8.0-RC1.adoc

@@ -1,16 +1,16 @@
-[[release-notes-5.8.0-M2]]
-== 5.8.0-M2
+[[release-notes-5.8.0-RC1]]
+== 5.8.0-RC1
 
 *Date of Release:* ❓
 
 *Scope:* ❓
 
 For a complete list of all _closed_ issues and pull requests for this release, consult the
-link:{junit5-repo}+/milestone/55?closed=1+[5.8 M2] milestone page in the JUnit repository
+link:{junit5-repo}+/milestone/55?closed=1+[5.8 RC1] milestone page in the JUnit repository
 on GitHub.
 
 
-[[release-notes-5.8.0-M2-general-improvements]]
+[[release-notes-5.8.0-RC1-general-improvements]]
 === General improvements
 
 * The API Guardian dependency is now exported as a compile-only dependency for consuming
@@ -19,7 +19,7 @@ on GitHub.
   noise" on the console when Java's Util Logging is used in its default configuration.
 
 
-[[release-notes-5.8.0-M2-junit-platform]]
+[[release-notes-5.8.0-RC1-junit-platform]]
 === JUnit Platform
 
 ==== Bug Fixes
@@ -28,10 +28,6 @@ on GitHub.
   suite. This applies to `@Suite` classes running via the `SuiteTestEngine` and suite
   classes running via the `JUnitPlatform` `Runner`.
 
-==== Deprecations and Breaking Changes
-
-* ❓
-
 ==== New Features and Improvements
 
 * New `findAnnotation(Class,Class,SearchOption)` method in `AnnotationSupport` that
@@ -63,7 +59,7 @@ on GitHub.
   `@DisableParentConfigurationParameters` annotation.
 
 
-[[release-notes-5.8.0-M2-junit-jupiter]]
+[[release-notes-5.8.0-RC1-junit-jupiter]]
 === JUnit Jupiter
 
 ==== Bug Fixes
@@ -81,10 +77,6 @@ on GitHub.
 * Exceptions thrown from instances of `CloseableResource` no longer hide test failures but
   are instead reported as suppressed exceptions.
 
-==== Deprecations and Breaking Changes
-
-* ❓
-
 ==== New Features and Improvements
 
 * New `assertThrowsExactly()` method in `Assertions` which is a more strict version of
@@ -113,17 +105,7 @@ on GitHub.
   arguments at the end of the test. This attribute defaults to true.
 
 
-[[release-notes-5.8.0-M2-junit-vintage]]
+[[release-notes-5.8.0-RC1-junit-vintage]]
 === JUnit Vintage
 
-==== Bug Fixes
-
-* ❓
-
-==== Deprecations and Breaking Changes
-
-* ❓
-
-==== New Features and Improvements
-
-* ❓
+No changes