Update bnd to 7.0.0 (#15709)

For release notes, see:

https://github.com/bndtools/bnd/wiki/Changes-in-7.0.0

Signed-off-by: Wouter Born <github@maindrain.net>

itests/org.openhab.binding.astro.tests/itest.bndrun

@@ -19,7 +19,6 @@ Fragment-Host: org.openhab.binding.astro
 	si-units;version='[2.1.0,2.1.1)',\
 	si.uom.si-quantity;version='[2.1.0,2.1.1)',\
 	org.osgi.util.function;version='[1.2.0,1.2.1)',\
-	biz.aQute.tester.junit-platform;version='[6.4.0,6.4.1)',\
 	org.apache.felix.configadmin;version='[1.9.26,1.9.27)',\
 	org.osgi.service.component;version='[1.5.0,1.5.1)',\
 	junit-jupiter-api;version='[5.9.2,5.9.3)',\
@@ -55,4 +54,5 @@ Fragment-Host: org.openhab.binding.astro
 	org.ops4j.pax.logging.pax-logging-api;version='[2.2.3,2.2.4)',\
 	org.osgi.service.event;version='[1.4.1,1.4.2)',\
 	org.osgi.util.promise;version='[1.3.0,1.3.1)',\
-	com.google.gson;version='[2.10.1,2.10.2)'
+	com.google.gson;version='[2.10.1,2.10.2)',\
+	biz.aQute.tester.junit-platform;version='[7.0.0,7.0.1)'