fix: enable mount for python-agent CI test to exercise hostfs output

Signed-off-by: danbugs <danilochiarlone@gmail.com>

Author: danbugs

.github/workflows/test-examples.yml

@@ -219,6 +219,7 @@ jobs:
             memory: "1Gi"
             args: "-- /agent.py"
             expect: "done\\."
+            needs_mount: true
           - example: python-agent-driver
             memory: "2Gi"
             args: ""
@@ -555,6 +556,7 @@ jobs:
             memory: "1Gi"
             args: "-- /agent.py"
             expect: "done\\."
+            needs_mount: true
           - example: python-agent-driver
             memory: "2Gi"
             args: ""