chore(deps): update ubuntu docker tag to v26

Author: renovate[bot]

010_docker/020_advanced/150_entrypoint/Dockerfile.cmd

@@ -1,2 +1,2 @@
-FROM ubuntu:24.04
+FROM ubuntu:26.04
 CMD [ "ps" ]

010_docker/020_advanced/150_entrypoint/Dockerfile.entrypoint

@@ -1,3 +1,3 @@
-FROM ubuntu:24.04
+FROM ubuntu:26.04
 ENTRYPOINT [ "ps" ]
 CMD [ "faux" ]

010_docker/020_advanced/150_entrypoint/temp/Dockerfile

@@ -1,4 +1,4 @@
-FROM ubuntu:24.04
+FROM ubuntu:26.04
 COPY entrypoint.sh /
 ENTRYPOINT [ "/entrypoint.sh" ]
 CMD [ "faux" ]

010_docker/020_advanced/160_dockerfile/order/Dockerfile

@@ -1,4 +1,4 @@
-FROM ubuntu:24.04
+FROM ubuntu:26.04
 
 RUN apt-get update \
  && DEBIAN_FRONTEND=noninteractive apt-get -y install --no-install-recommends \

010_docker/020_advanced/160_dockerfile/reusability/Dockerfile

@@ -1,4 +1,4 @@
-FROM ubuntu:24.04 AS base
+FROM ubuntu:26.04 AS base
 RUN apt-get update \
  && DEBIAN_FRONTEND=noninteractive apt-get -y install --no-install-recommends \
         golang \

010_docker/020_advanced/160_dockerfile/separation/Dockerfile

@@ -1,4 +1,4 @@
-FROM ubuntu:24.04 AS base
+FROM ubuntu:26.04 AS base
 RUN apt-get update \
  && DEBIAN_FRONTEND=noninteractive apt-get -y install --no-install-recommends \
         golang \
@@ -11,6 +11,6 @@ RUN go mod download
 COPY . .
 RUN go build -o hello .
 
-FROM ubuntu:24.04
+FROM ubuntu:26.04
 COPY --from=builder /src/hello /
 ENTRYPOINT [ "/hello" ]

010_docker/020_advanced/180_heredocs/Dockerfile.copy

@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1.22.0
 
-FROM ubuntu:24.04
+FROM ubuntu:26.04
 
 COPY --chmod=0755 <<EOF /entrypoint.sh
 #!/bin/bash

010_docker/020_advanced/180_heredocs/Dockerfile.copy-multiple

@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1.22.0
 
-FROM ubuntu:24.04
+FROM ubuntu:26.04
 
 COPY <<no-recommends <<no-suggests /etc/apt/apt.conf.d/
 APT::Install-Recommends "false";

010_docker/020_advanced/180_heredocs/Dockerfile.interpreter

@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1.22.0
 
-FROM ubuntu:24.04
+FROM ubuntu:26.04
 
 RUN bash -xe <<EOF
 echo foo

010_docker/020_advanced/180_heredocs/Dockerfile.run

@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1.22.0
 
-FROM ubuntu:24.04
+FROM ubuntu:26.04
 
 RUN <<EOF
 ps faux