docs: add release notes for backend 0.8.1

Signed-off-by: Tiago Barbosa <tbarbos@hotmail.com>

docs/release-notes/backend.md

@@ -1,5 +1,21 @@
 # Release notes for Backend plugin
 
+## > 0.8.1
+
+[GitHub release](https://github.com/PagerDuty/backstage-plugin-backend/releases/tag/0.8.1)
+
+### Summary
+
+This release bumps all Backstage packages to the latest version to allow an upgrade to 1.29.1 without any warnings on outdated packages.
+
+### Changes
+
+- fix: bump deps to work with backstage v1.29.0
+
+### Dependencies
+
+- `@pagerduty/backstage-plugin-common: 0.2.0`
+
 ## > 0.8.0
 
 [GitHub release](https://github.com/PagerDuty/backstage-plugin-backend/releases/tag/0.8.0)

overrides/main.html

@@ -3,7 +3,7 @@
 {% block announce %}
 <div>
  <p>
- <strong>🎉 New release!</strong> <span style="margin-left: 20px;"> Checkout the latest versions for Frontend(<a href="/backstage-plugin-docs/release-notes/frontend/#0140">0.14.0</a>), Backend(<a href="/backstage-plugin-docs/release-notes/backend/#080">0.8.0</a>), Common(<a href="/backstage-plugin-docs/release-notes/common/#020">0.2.0</a>), Scaffolder Actions(<a href="/backstage-plugin-docs/release-notes/scaffolder-actions/#021">0.2.1</a>) and Entity Processor(<a href="/backstage-plugin-docs/release-notes/entity-processor/#021">0.2.1</a>) </span>
+ <strong>🎉 New release!</strong> <span style="margin-left: 20px;"> Checkout the latest versions for Frontend(<a href="/backstage-plugin-docs/release-notes/frontend/#0140">0.14.0</a>), Backend(<a href="/backstage-plugin-docs/release-notes/backend/#081">0.8.1</a>), Common(<a href="/backstage-plugin-docs/release-notes/common/#020">0.2.0</a>), Scaffolder Actions(<a href="/backstage-plugin-docs/release-notes/scaffolder-actions/#021">0.2.1</a>) and Entity Processor(<a href="/backstage-plugin-docs/release-notes/entity-processor/#021">0.2.1</a>) </span>
  </p>
 </div>
 {% endblock %}