fix: ensure ollama runs as a bg process

Signed-off-by: Casper Nielsen <casper@diagrid.io>

Author: CasperGN

.github/workflows/validate_examples.yaml

@@ -91,6 +91,7 @@ jobs:
       - name: Set up Llama
         run: |
           curl -fsSL https://ollama.com/install.sh | sh
+          nohup ollama serve &
           ollama pull llama3.2:1b
       - name: Checkout Dapr CLI repo to override dapr command.
         uses: actions/checkout@v6