feat!: upstream changes (#47)

GPG feature has breaking changes

Co-authored-by: robv89r <robv8r@noreply.gitea.io>
Co-authored-by: justusbunsi <justusbunsi@noreply.gitea.io>
Co-authored-by: Michael Kriese <michael.kriese@visualon.de>
Reviewed-on: https://codeberg.org/forgejo-contrib/forgejo-helm/pulls/47

unittests/gpg-secret/signing-disabled.yaml

@@ -0,0 +1,13 @@
+suite: GPG secret template (signing disabled)
+release:
+  name: forgejo-unittests
+  namespace: testing
+templates:
+  - templates/gitea/gpg-secret.yaml
+tests:
+  - it: renders nothing
+    set:
+      signing.enabled: false
+    asserts:
+      - hasDocuments:
+          count: 0