Update ubuntu Docker tag to v26

renovate[bot] · web-flow · commit bf8f2e6bd638 · 2026-04-24T00:55:02.000Z
diff --git a/Dockerfile b/Dockerfile
@@ -5,7 +5,7 @@
 # 	or use 
 #	docker-compose up
 
-FROM ubuntu:24.04
+FROM ubuntu:26.04
 
 # hadolint ignore=DL3008
 RUN apt-get update \
