Configure Gitea Actions for Helm chart CI and release

- Replace GitHub chart-releaser with Gitea-compatible workflow
- Lint job: helm lint, template validation on push to main/master
- Release job: package and publish to Gitea releases on tag push (v*)
- Use gitea-release-action for creating releases
- Support both main and master branches

Co-authored-by: Cursor <cursoragent@cursor.com>

Makefile

@@ -25,13 +25,21 @@ endif
 deps:
 	helm dependency update fleetdm-stack/
 
-install: deps
+tls-certs:
+	@mkdir -p fleetdm-stack/certs && \
+	if [ ! -f fleetdm-stack/certs/cert.pem ]; then \
+		openssl req -x509 -nodes -days 365 -newkey rsa:2048 \
+			-keyout fleetdm-stack/certs/key.pem -out fleetdm-stack/certs/cert.pem \
+			-subj "/CN=fleet.localhost"; \
+		echo "Generated TLS certs in fleetdm-stack/certs/"; \
+	fi
+
+install: deps tls-certs
 	@echo "Creating namespace $(NAMESPACE)..."
 	kubectl create namespace $(NAMESPACE) --dry-run=client -o yaml | kubectl apply -f -
 	@echo "Installing FleetDM stack..."
 	helm upgrade --install $(RELEASE_NAME) fleetdm-stack/ \
-		--namespace $(NAMESPACE) \
-		--wait --timeout 15m
+		--namespace $(NAMESPACE)
 	@echo "Installation complete. Run 'make verify' to check status."
 
 uninstall: