Re-add tap-as-a-service to project list

It was added back to the neutron's governance.

Also, it was added to upper-constraints because of networking-midonet.
However networking-midonet was retired some years ago, so it can be
removed now.

Change-Id: I265fb5d983d3eefadedfab8cff1421d6b8591479

denylist.txt

@@ -33,6 +33,7 @@ neutron-dynamic-routing
 neutron-fwaas
 neutron-lbaas
 neutron-vpnaas
+tap-as-a-service
 vmware-nsxlib
 
 # Projects are free to specify their own version of ansible and molecule

projects.txt

@@ -208,6 +208,7 @@ openstack/sushy-tools
 openstack/swift
 openstack/tacker
 openstack/tacker-horizon
+openstack/tap-as-a-service
 openstack/taskflow
 openstack/tempest
 openstack/tooz

upper-constraints.txt

@@ -358,7 +358,6 @@ keystonemiddleware===10.9.0
 django-formtools===2.5.1
 XStatic-Spin===1.2.5.3
 rich===13.9.4
-tap-as-a-service===15.0.0.0rc1
 os-traits===3.4.0
 typepy===1.3.4
 SecretStorage===3.3.3