Update to Quarkus 1.13, update to pagination count logic

This also will increment the snapshot to 0.2 as there are breaking changes in how the POM extension is laid out and the Dockerfiles. This should be transparent to k8s.

core/src/main/java/org/eclipsefoundation/core/response/PaginatedResultsFilter.java

@@ -12,6 +12,7 @@ import javax.ws.rs.core.UriBuilder;
 import javax.ws.rs.core.UriInfo;
 import javax.ws.rs.ext.Provider;
 
+import org.apache.commons.lang3.StringUtils;
 import org.eclipse.microprofile.config.inject.ConfigProperty;
 import org.jboss.resteasy.core.ResteasyContext;
 import org.jboss.resteasy.spi.LinkHeader;
@@ -24,6 +25,8 @@ import org.jboss.resteasy.spi.LinkHeader;
  */
 @Provider
 public class PaginatedResultsFilter implements ContainerResponseFilter {
+  // should be set whenever we pass a limited subset to the response to be paginated of a larger subset
+  public static final String MAX_RESULTS_SIZE_HEADER = "X-Max-Result-Size";
 
   @ConfigProperty(name = "eclipse.pagination.enabled", defaultValue = "true")
   Instance<Boolean> enablePagination;
@@ -42,13 +45,20 @@ public class PaginatedResultsFilter implements ContainerResponseFilter {
       ContainerRequestContext requestContext, ContainerResponseContext responseContext)
       throws IOException {
     if (enablePagination.get()) {
+
       int pageSize = defaultPageSize.get();
       Object entity = responseContext.getEntity();
       // only try and paginate if there are multiple entities
       if (entity instanceof List) {
         List<?> listEntity = (List<?>) entity;
         int page = getRequestedPage(listEntity);
-        int lastPage = (int) Math.ceil((double) listEntity.size() / pageSize);
+        // if available, use max results header value
+        String rawMaxSize = responseContext.getHeaderString(MAX_RESULTS_SIZE_HEADER);
+        int maxSize = listEntity.size();
+        if (StringUtils.isNumeric(rawMaxSize)) {
+            maxSize = Integer.valueOf(rawMaxSize);
+        }
+        int lastPage = (int) Math.ceil((double) maxSize / pageSize);
         // set the sliced array as the entity
         responseContext.setEntity(
             listEntity.subList(