Updated Clang, added dependabot

Author: madduci

.github/workflows/build.yaml

@@ -38,7 +38,7 @@ jobs:
           # Note: tags has to be all lower-case
           tags: |
             madduci/docker-linux-cpp:latest
-            madduci/docker-linux-cpp:2.0
+            madduci/docker-linux-cpp:2.1
           # build on feature branches, push only on master branch
           push: ${{ github.ref == 'refs/heads/master' }}
 

.github/workflows/dependabot.yml

@@ -0,0 +1,8 @@
+# Set update schedule for GitHub Actions
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      # Check for updates to GitHub Actions every week
+      interval: "weekly"

Dockerfile

@@ -6,7 +6,7 @@ LABEL maintainer="Michele Adduci <adduci@tutanota.com>" \
 WORKDIR /project
 
 ARG DEB_COMPILERS="g++-12 g++-13 g++-14"
-ARG EXTRA_CLANG_COMPILERS="17 18 19"
+ARG EXTRA_CLANG_COMPILERS="18 19 20"
 
 RUN echo "Installing required packages " \
          && export DEBIAN_FRONTEND=noninteractive  \