Prepare pmd release 6.39.0

docs/_config.yml

@@ -1,7 +1,7 @@
 repository: pmd/pmd
 
 pmd:
-    version: 6.39.0-SNAPSHOT
+    version: 6.39.0
     previous_version: 6.38.0
     date: 25-September-2021
     release_type: minor

docs/pages/next_major_development.md

@@ -125,6 +125,10 @@ the breaking API changes will be performed in 7.0.0.
 an API is tagged as `@Deprecated` or not in the latest minor release. During the development of 7.0.0,
 we may decide to remove some APIs that were not tagged as deprecated, though we'll try to avoid it." %}
 
+#### 6.39.0
+
+No changes.
+
 #### 6.38.0
 
 No changes.

docs/pages/release_notes.md

@@ -35,9 +35,16 @@ See [credits](https://pmd.github.io/latest/pmd_projectdocs_credits.html) for our
 
 ### API Changes
 
+No changes.
+
 ### External Contributions
 
 *   [#3516](https://github.com/pmd/pmd/pull/3516): \[javascript] NPE while creating rule violation when specifying explicit line numbers - [Kevin Guerra](https://github.com/kevingnet)
 
+### Stats
+* 37 commits
+* 10 closed tickets & PRs
+* Days since last release: 27
+
 {% endtocmaker %}