Upgrade Groovy to 3.0.23 (#4621)

* Upgrade Groovy to 3.0.23
* Update header generation to match the new format

Signed-off-by: Jimmy Tanagra <[email protected]>

Author: jimtng

bundles/org.openhab.core.semantics/model/generateTagClasses.groovy

@@ -129,7 +129,7 @@ def header() {
         line.isBlank() ? " *" : " * " + line.replace("\${year}", year)
     }).collect(Collectors.toList())
 
-    headerLines.add(0, "/**")
+    headerLines.add(0, "/*")
     headerLines.add(" */")
     headerLines.add("")
 

bundles/org.openhab.core.semantics/pom.xml

@@ -57,7 +57,7 @@
               <dependency>
                 <groupId>org.codehaus.groovy</groupId>
                 <artifactId>groovy-all</artifactId>
-                <version>3.0.9</version>
+                <version>3.0.23</version>
                 <type>pom</type>
               </dependency>
             </dependencies>