Bump jqwik.version from 1.8.2 to 1.8.4

Bumps `jqwik.version` from 1.8.2 to 1.8.4.

Updates `net.jqwik:jqwik-api` from 1.8.2 to 1.8.4
- [Release notes](https://github.com/jqwik-team/jqwik/releases)
- [Commits](jqwik-team/jqwik@1.8.2...1.8.4)

Updates `net.jqwik:jqwik-engine` from 1.8.2 to 1.8.4
- [Release notes](https://github.com/jqwik-team/jqwik/releases)
- [Commits](jqwik-team/jqwik@1.8.2...1.8.4)

---
updated-dependencies:
- dependency-name: net.jqwik:jqwik-api
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: net.jqwik:jqwik-engine
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -31,7 +31,7 @@
     <com.io7m.xstructural.version>1.8.0</com.io7m.xstructural.version>
     <io7m.api.previousVersion>1.0.0</io7m.api.previousVersion>
     <io7m.java.targetJavaVersion>21</io7m.java.targetJavaVersion>
-    <jqwik.version>1.8.2</jqwik.version>
+    <jqwik.version>1.8.4</jqwik.version>
     <junit.version>5.10.2</junit.version>
   </properties>