Release Octavia stable branches.

This patch proposes bugfix releases for the following stable branches:

Rocky 3.2.1
Stein 4.1.1
Train 5.0.1

Primary fixes are:
1. Better handling of issues with certificates and TLS offload.
2. Improved controller shutdown.
3. Fixed API filtering with tags and the provider capabilities list.

Change-Id: I437d2246c4dc9f8d7903227497c5bf252004dcdb

deliverables/rocky/octavia.yaml

@@ -58,6 +58,10 @@ releases:
     projects:
       - repo: openstack/octavia
         hash: 624ff08f27bcb73788663cbe6d35cbe29c537844
+  - version: 3.2.1
+    projects:
+      - repo: openstack/octavia
+        hash: 1fffeaaf44c677c4e8990193762d0b920566fe11
 branches:
   - location: 3.0.0.0rc1
     name: stable/rocky

deliverables/stein/octavia.yaml

@@ -43,6 +43,10 @@ releases:
     projects:
       - repo: openstack/octavia
         hash: 1725517d1d209f26b2275306d83e49c099dcbe1a
+  - version: 4.1.1
+    projects:
+      - repo: openstack/octavia
+        hash: 567a388b95e18eaeff0830259efceeb9b861b2e5
 branches:
   - location: 4.0.0.0rc1
     name: stable/stein

deliverables/train/octavia.yaml

@@ -30,6 +30,10 @@ releases:
       - repo: openstack/octavia
         hash: 6f54167b05cab1ef2721d63ddee99f92d61ea14f
     diff-start: 4.0.0.0rc1
+  - version: 5.0.1
+    projects:
+      - repo: openstack/octavia
+        hash: 19202863e2e459a0c81a872df7dc745aad4d15ea
 branches:
   - name: stable/train
     location: 5.0.0.0rc1