Bump strata-basics from 2.12.17 to 2.12.18

Bumps strata-basics from 2.12.17 to 2.12.18.

---
updated-dependencies:
- dependency-name: com.opengamma.strata:strata-basics
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

pom.xml

@@ -21,7 +21,7 @@
 
     <guava.version>31.1-jre</guava.version>
     <nv-i18n.version>1.29</nv-i18n.version>
-    <strata.version>2.12.17</strata.version>
+    <strata.version>2.12.18</strata.version>
 
     <!-- 2.17+ requires java 11+ -->
     <cyclonedx-maven-plugin.version>2.7.4</cyclonedx-maven-plugin.version>