Release 3.3.0

Some small API changes warranting a new API version, plus about
two years of dependency updates.

Signed-off-by: Stephen Finucane <stephen@that.guru>

Author: stephenfin

docs/deployment/installation.rst

@@ -148,14 +148,14 @@ The first requirement is Patchwork itself. It can be downloaded like so:
 
 .. code-block:: shell
 
-   $ wget https://github.com/getpatchwork/patchwork/archive/v3.1.0.tar.gz
+   $ wget https://github.com/getpatchwork/patchwork/archive/v3.3.0.tar.gz
 
 We will install this under ``/opt``, though this is only a suggestion:
 
 .. code-block:: shell
 
-   $ tar -xvzf v3.1.0.tar.gz
-   $ sudo mv patchwork-3.1.0 /opt/patchwork
+   $ tar -xvzf v3.3.0.tar.gz
+   $ sudo mv patchwork-3.3.0 /opt/patchwork
 
 .. important::
 

releasenotes/notes/prelude-3_3-929679e6150717b5.yaml

@@ -0,0 +1,8 @@
+---
+prelude: >
+    The main new feature in this release is support for tracking dependencies
+    between series, allowing clients to apply related changes together. In
+    addition, mail parsing is now more reliable when handling concurrent
+    deliveries. As always, there are updates to the supported Python and Django
+    versions, along with a number of bug fixes and smaller improvements. More
+    information is included below.

version.txt

@@ -1 +1 @@
-3.3.0.a.0
+3.3.0