feat!: merge upstream changes

BREAKING CHANGES: See Gitea chart breaking changes at https://gitea.com/gitea/helm-chart#upgrading.

unittests/deployment/basic.yaml

@@ -0,0 +1,17 @@
+suite: deployment template (basic)
+release:
+  name: forgejo-unittests
+  namespace: testing
+templates:
+  - templates/gitea/deployment.yaml
+  - templates/gitea/config.yaml
+tests:
+  - it: renders a deployment
+    template: templates/gitea/deployment.yaml
+    asserts:
+      - hasDocuments:
+          count: 1
+      - containsDocument:
+          kind: Deployment
+          apiVersion: apps/v1
+          name: forgejo-unittests