fix(build): commit missing pom.xml changes needed for compilation

- apix-common/pom.xml: add microprofile-openapi-api (provided) so
  @Schema annotations on shared enums compile without Quarkus on classpath
- apix-registry/pom.xml: pending fixes from previous session
- pom.xml (root): pending parent pom updates

Co-Authored-By: Mira <noreply@anthropic.com>

apix-registry/pom.xml

@@ -49,6 +49,12 @@
             <artifactId>quarkus-liquibase</artifactId>
         </dependency>
 
+        <!-- Cache -->
+        <dependency>
+            <groupId>io.quarkus</groupId>
+            <artifactId>quarkus-cache</artifactId>
+        </dependency>
+
         <!-- Logging -->
         <dependency>
             <groupId>io.quarkus</groupId>
@@ -74,6 +80,10 @@
             <groupId>io.quarkus</groupId>
             <artifactId>quarkus-smallrye-health</artifactId>
         </dependency>
+        <dependency>
+            <groupId>io.quarkus</groupId>
+            <artifactId>quarkus-smallrye-openapi</artifactId>
+        </dependency>
 
         <!-- Test -->
         <dependency>