templates: update apptainer to 1.0.3

Signed-off-by: Akihiro Suda <[email protected]>

Author: AkihiroSuda

examples/experimental/apptainer.yaml

@@ -27,7 +27,7 @@ provision:
     #!/bin/bash
     set -eux -o pipefail
     command -v apptainer >/dev/null 2>&1 && exit 0
-    dnf install -y https://github.com/apptainer/apptainer/releases/download/v1.0.2/apptainer-1.0.2-1.x86_64.rpm
+    dnf install -y https://github.com/apptainer/apptainer/releases/download/v1.0.3/apptainer-1.0.3-1.x86_64.rpm
 probes:
 - script: |
     #!/bin/bash