#1581 - Prepare 1.2.8 release.

Update changelog.

Author: odrotbohm

src/main/resources/changelog.txt

@@ -1,5 +1,12 @@
 Spring HATEOAS Changelog
 ========================
+Changes in version 1.2.8 (2021-07-14)
+----------------------------------------
+- #1578 - Upgrade to Reactor 2020.0.9.
+- #1577 - Upgrade to Spring Framework 5.3.9.
+- #1571 - Embedded curie causes two `_links` in API response.
+- #1561 - Support for implicitly not required request parameters.
+
 Changes in version 1.2.7 (2021-06-22)
 ----------------------------------------
 - #1556 - Upgrade to Reactor 2020.0.8.

src/test/java/org/springframework/hateoas/support/ChangelogCreator.java

@@ -38,7 +38,7 @@
  */
 class ChangelogCreator {
 
-	private static final int MILESTONE_ID = 69;
+	private static final int MILESTONE_ID = 72;
 	private static final String URI_TEMPLATE = "https://api.github.com/repos/spring-projects/spring-hateoas/issues?milestone={id}&state=closed";
 
 	public static void main(String... args) {