Update cmake.yml

Author: Dadoum

.github/workflows/cmake.yml

@@ -20,7 +20,7 @@ jobs:
           sudo apt-get update && sudo apt-get install -y gdc dub libz-dev elfutils
 
       - name: Build
-        run: dub build :anisette-server -b release --compiler=gdc-13 -c "static"
+        run: dub build :anisette-server -b release --compiler=gdc -c "static"
 
       - name: Rename
         run: mv "${{github.workspace}}/bin/provision_anisette-server" "${{github.workspace}}/bin/anisette-server-x86_64"