bump fhir-examples dependency version

otherwise we run into the following error during validation if us-core
is on the path:
```
SEVERE: validateResource(json/profiles/fhir-ig-us-core/Observation-some-day-smoker.json)
unexpected failure: Input resource failed validation:
generated-us-core-smokingstatus-5: Constraint violation:
effective.where(is(dateTime)).exists() (Observation)
```

I also added back in the fhir-examples.version variable because I think
our release automation still depends on this one (I had maybe
accidentally removed it while removing the other variables for
dependabot).

Signed-off-by: Lee Surprenant <lmsurpre@us.ibm.com>

fhir-parent/pom.xml

@@ -48,10 +48,11 @@
         <fhir-persistence-jdbc.index>MINIMAL_JSON</fhir-persistence-jdbc.index>
         <fhir-server-test.index>MINIMAL_JSON</fhir-server-test.index>
         <java.version>1.8</java.version>
+        <fhir-examples.version>4.10.0-SNAPSHOT</fhir-examples.version>
         <fhir-tools.version>4.10.0-SNAPSHOT</fhir-tools.version>
         <maven.build.timestamp.format>yyyyMMdd-HHmm</maven.build.timestamp.format>
-        <!-- We use github depend-a-bot to keep dependencies up-to-date and that doesn't
-             yet support dependencies with versions from variables, so prefer inlining over version vars -->
+        <!-- We use github depend-a-bot to keep dependencies up-to-date and that doesn't seem to work as well
+             for dependencies with versions from variables, so prefer inlining over version vars -->
     </properties>
 
     <modules>
@@ -110,7 +111,7 @@
             <dependency>
                 <groupId>${project.groupId}</groupId>
                 <artifactId>fhir-examples</artifactId>
-                <version>4.9.2</version>
+                <version>${fhir-examples.version}</version>
                 <scope>test</scope>
             </dependency>
             <dependency>

fhir-search/pom.xml

@@ -9,6 +9,7 @@
         <relativePath>../fhir-parent</relativePath>
     </parent>
 
+
     <artifactId>fhir-search</artifactId>
 
     <dependencies>