Updates for release v3.15.5 (projectcalico#4554)

_data/versions.yml

@@ -1,3 +1,30 @@
+- title: v3.15.5
+  tigera-operator:
+   image: tigera/operator
+   registry: quay.io
+   version: v1.7.7
+  components:
+     typha:
+      version: v3.15.5
+     calicoctl:
+      version: v3.15.5
+     calico/node:
+      version: v3.15.5
+     calico/cni:
+      version: v3.15.5
+     calico/kube-controllers:
+      version: v3.15.5
+     calico/flannel-migration-controller:
+      version: v3.15.5
+     networking-calico:
+      version: v3.15.5
+     flannel:
+      version: v0.11.0
+     calico/dikastes:
+      version: v3.15.5
+     flexvol:
+      version: v3.15.5
+
 - title: v3.15.4
   tigera-operator:
    image: tigera/operator

_includes/release-notes/v3.15.5-release-notes.md

@@ -0,0 +1,11 @@
+22 Apr 2021
+
+#### Bug fixes
+
+ - Fix that calico/node would fail to set NetworkUnavailable to false for etcd clusters with mismatched nodenames [node #949](https://github.com/projectcalico/node/pull/949) (@caseydavenport)
+ - Fixes a bug where IPv6 networks were not handled properly by the failsafe rules [felix #2748](https://github.com/projectcalico/felix/pull/2748) (@mgleung)
+ - Fix that, after a netlink read failure, Felix would tight loop reading from a closed channel.  Restart the event poll in that case. [felix #2713](https://github.com/projectcalico/felix/pull/2713) (@fasaxc)
+
+#### Other changes
+
+ - FailsafeInboundHostPorts & FailsafeOutboundHostPorts now support restricting to specific cidrs. New format <protocol>:<net>:<port> [felix #2721](https://github.com/projectcalico/felix/pull/2721) (@mgleung)