Prepare pmd release 6.55.0

docs/_config.yml

@@ -1,7 +1,7 @@
 repository: pmd/pmd
 
 pmd:
-    version: 6.55.0-SNAPSHOT
+    version: 6.55.0
     previous_version: 6.54.0
     date: 25-February-2023
     release_type: minor

docs/pages/next_major_development.md

@@ -125,6 +125,18 @@ 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." %}
 
+#### 6.55.0
+
+##### Go
+* The LanguageModule of Go, that only supports CPD execution, has been deprecated. This language
+  is not fully supported by PMD, so having a language module does not make sense. The functionality of CPD is
+  not affected by this change. The following class has been deprecated and will be removed with PMD 7.0.0:
+    * {% jdoc go::lang.go.GoLanguageModule %}
+
+##### Java
+* Support for Java 18 preview language features have been removed. The version "18-preview" is no longer available.
+* The experimental class `net.sourceforge.pmd.lang.java.ast.ASTGuardedPattern` has been removed.
+
 #### 6.54.0
 
 ##### PMD CLI

docs/pages/release_notes.md

@@ -72,5 +72,10 @@ Being based on a proper Antlr grammar, CPD can:
 * [#4390](https://github.com/pmd/pmd/pull/4390): Add support for T-SQL using Antlr4 lexer - [Paul Guyot](https://github.com/pguyot) (@pguyot)
 * [#4392](https://github.com/pmd/pmd/pull/4392): \[java] Fix #4393 MissingStaticMethodInNonInstantiatableClass: Fix false-positive for field-only class - [Dawid Ciok](https://github.com/dawiddc) (@dawiddc)
 
+### Stats
+* 40 commits
+* 11 closed tickets & PRs
+* Days since last release: 28
+
 {% endtocmaker %}