Release docker images for policy/gui: 2.2.1

This commit releases docker images for repo policy/gui.

*** This commit is generated by a PF release script ***

Issue-ID: POLICY-3982
Signed-off-by: liamfallon <liam.fallon@est.tech>
Change-Id: I6cd003dc90fd9da0f6b2dacaa6e47f70f38bc924
diff --git a/releases/2.2.1-container.yaml b/releases/2.2.1-container.yaml
new file mode 100644
index 0000000..97374b1
--- /dev/null
+++ b/releases/2.2.1-container.yaml
@@ -0,0 +1,8 @@
+distribution_type: 'container'
+container_release_tag: '2.2.1'
+project: 'policy-gui'
+log_dir: 'policy-gui-maven-docker-stage-master/764'
+ref: e5c253bf654202e778894e1c18eb287f7b331a79
+containers:
+    - name: 'policy-gui'
+      version: '2.2.1-20220315T1407'