docs: Update changelog.

docs/appendix/2023.9.adoc

@@ -1,5 +1,38 @@
 == 2023.9
 
+=== 2023.9.4
+
+Change parser license to The Apache Software License, Version 2.0 (same as the Neo4j JavaCC based parser, which we use under the hoods).
+
+Thanks a lot @hindog, @fbiville and @Andy2003 for agreeing to relicense your contributions, too.
+
+==== 📖 Documentation
+
+* Use `compile` scope in Gradle dependencies.
+
+==== 🧹 Housekeeping
+
+* Dependency upgrades:
+** Bump neo4j.version from 5.16.0 to 5.17.0 (#933)
+** Bump testcontainers.version from 1.19.5 to 1.19.6 (#934)
+** Bump org.apache.maven.plugins:maven-shade-plugin (#932)
+** Bump org.springframework.boot:spring-boot-starter-parent (#931)
+** Bump org.graalvm.buildtools:native-maven-plugin (#930)
+** Bump org.codehaus.mojo:exec-maven-plugin (#929)
+** Bump org.asciidoctor:asciidoctor-maven-plugin (#927)
+** Bump com.github.siom79.japicmp:japicmp-maven-plugin (#928)
+** Bump org.springframework.data:spring-data-neo4j (#926)
+** Bump io.projectreactor:reactor-bom (#925)
+** Bump org.asciidoctor:asciidoctorj-diagram (#924)
+** Bump org.graalvm.buildtools:native-maven-plugin (#919)
+** Bump org.assertj:assertj-core from 3.25.2 to 3.25.3 (#918)
+** Bump org.asciidoctor:asciidoctorj-diagram (#916)
+** Bump org.junit:junit-bom from 5.10.1 to 5.10.2 (#915)
+** Bump testcontainers.version from 1.19.4 to 1.19.5 (#923)
+** Bump org.asciidoctor:asciidoctor-maven-plugin (#922)
+** Bump org.neo4j.driver:neo4j-java-driver (#920)
+** Bump joda-time:joda-time from 2.12.6 to 2.12.7 (#917)
+
 === 2023.9.3
 
 ==== 🚀 Features