#1582 - Prepare 1.3.3. release.

Update changelog.

Author: odrotbohm

src/main/resources/changelog.txt

@@ -1,5 +1,14 @@
 Spring HATEOAS Changelog
 ========================
+Changes in version 1.3.3 (2021-07-14)
+----------------------------------------
+- #1580 - Upgrade to Reactor 2020.0.9.
+- #1579 - Upgrade to Spring Framework 5.3.9.
+- #1570 - Embedded curie causes two _links in API response.
+- #1569 - Fix custom media type parser documentation.
+- #1568 - Add MARKDOWN as a valid format for ALPS mediatype.
+- #1566 - Consider @JsonProperty-defined property name for affordance metadata.
+- #1560 - Support for implicitly not required request parameters.
 
 Changes in version 1.3.2 (2021-06-22)
 ----------------------------------------

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

@@ -38,7 +38,7 @@
  */
 class ChangelogCreator {
 
-	private static final int MILESTONE_ID = 70;
+	private static final int MILESTONE_ID = 71;
 	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) {