Tooling upgrades (#456)

* Upgrade binfmt to 8.1.5
* Use Ubuntu 24.04 with GHA

Signed-off-by: Wouter Born <github@maindrain.net>

.github/workflows/build-images.yml

@@ -11,7 +11,7 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     strategy:
       matrix:
        tag: ["latest", "snapshot"]

README.md

@@ -511,7 +511,7 @@ To be able to build the same image for other platforms (e.g. arm/v7, arm64 on am
 First configure QEMU binary formats and a builder using:
 
 ```shell
-$ docker run --privileged --rm tonistiigi/binfmt:qemu-v8.0.4 --install all
+$ docker run --privileged --rm tonistiigi/binfmt:qemu-v8.1.5 --install all
 $ docker buildx create --name builder --use
 ```
 

helper-functions

@@ -204,7 +204,7 @@ update_dockerhub_readme() {
 
 prepare_builder() {
 	if [ "$BUILDER" == "" ]; then
-		docker run --privileged --rm tonistiigi/binfmt:qemu-v8.0.4 --install all &> /dev/null
+		docker run --privileged --rm tonistiigi/binfmt:qemu-v8.1.5 --install all &> /dev/null
 		(docker buildx inspect builder &> /dev/null && echo -e "\nReusing existing builder") || \
 			(docker buildx create --name builder --use &> /dev/null && echo -e "\nCreated builder")
 		BUILDER="builder"