Fix Github Actions script

Author: rleh

.github/workflows/main.yml

@@ -9,7 +9,7 @@ on: [push]
 # A workflow run is made up of one or more jobs that can run sequentially or in parallel
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
 
     steps:
     - name: Setup build environment
@@ -38,4 +38,4 @@ jobs:
        export BRANCH=$(echo $GITHUB_REF | rev | cut -d/ -f1 | rev)
        echo $BRANCH
        cd _site
-       find * -type f -print | xargs -I@ curl -I --fail -X PUT --upload-file "@" "https://preview.techaachen.de/$BRANCH/@" --user $UPLOAD_AUTH
+       find * -type f -print | xargs -I@ curl --fail --request PUT --upload-file "@" "https://preview.techaachen.de/$BRANCH/@" --user $UPLOAD_AUTH