chore(deps): update docker.io/library/ubuntu docker tag to v26

.gitea/workflows/markdown-linters.yaml

@@ -17,6 +17,6 @@ jobs:
     - ubuntu-latest
     steps:
     - uses: actions/checkout@v6.0.3
-    - uses: DavidAnson/markdownlint-cli2-action@v21.0.0
+    - uses: DavidAnson/markdownlint-cli2-action@v23.2.0
       with:
         globs: '**/*.md'

Dockerfile

@@ -1,4 +1,4 @@
-FROM docker.io/library/ubuntu:24.04 AS build
+FROM docker.io/library/ubuntu:26.04 AS build
 
 ARG BRUTEFORCE_WALLET_VERSION
 
@@ -20,7 +20,7 @@ RUN cd /src && \
     make install DESTDIR=/cache && \
     rm -rf /src
 
-FROM docker.io/library/ubuntu:24.04
+FROM docker.io/library/ubuntu:26.04
 
 COPY --from=build /cache /