add support for OSGi Service Loader Mediator

Signed-off-by: Lukas Jungmann <lukas.jungmann@oracle.com>

api/pom.xml

diff --git a/api/pom.xml b/api/pom.xml
index 2bee6a6..9b708aa 100644
--- a/api/pom.xml
+++ b/api/pom.xml
@@ -331,6 +331,16 @@
                             !org.eclipse.parsson,
                             *
                         </Import-Package>
+                        <!-- optional to allow usage with hk2 resource locator as a fallback -->
+                        <Require-Capability><![CDATA[
+                          osgi.extender;filter:="(&(osgi.extender=osgi.serviceloader.processor)
+                            (version>=1.0.0)(!(version>=2.0.0)))";resolution:=optional,
+                          osgi.serviceloader;
+                            filter:="(osgi.serviceloader=jakarta.json.spi.JsonProvider";
+                              osgi.serviceloader="jakarta.json.spi.JsonProvider";
+                              cardinality:=multiple;resolution:=optional
+                          ]]>
+                        </Require-Capability>
                     </instructions>
                 </configuration>
                 <executions>