feat: expose build version in public config

- add version to public/admin config responses
- inject build version in Docker and GoReleaser builds
- limit Docker image publishing to v* tags
- restore soft-deleted settings on upsert

src/model/response/support_response.go

@@ -37,4 +37,5 @@ type PublicConfigResponse struct {
 	Site            SitePublicConfig      `json:"site"`
 	Epay            EpayPublicConfig      `json:"epay"`
 	OkPay           OkPayPublicConfig     `json:"okpay"`
+	Version         string                `json:"version" example:"v1.0.1"`
 }