Bump tyrus-standalone-client-jdk from 1.15 to 1.18 in /fhir-parent

Bumps tyrus-standalone-client-jdk from 1.15 to 1.18.

---
updated-dependencies:
- dependency-name: org.glassfish.tyrus.bundles:tyrus-standalone-client-jdk
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

fhir-parent/pom.xml

@@ -365,7 +365,7 @@
             <dependency>
                 <groupId>org.glassfish.tyrus.bundles</groupId>
                 <artifactId>tyrus-standalone-client-jdk</artifactId>
-                <version>1.15</version>
+                <version>1.18</version>
                 <scope>test</scope>
             </dependency>
             <dependency>