fix: log analyzer failed with multiple containers in the pod

[lili-wan]

Closes #884

📑 Description

Currently log analyzer will throw error when there are multiple containers inside one pod, this PR added the fix to scan individual container logs

Tested with my local pod that has multiple containers, efs-plugin is one of the container running inside pod efs-csi-node-us-west-2c-hn4jb

k8sgpt analyze --filter Log --namespace addon-efs-csi-ns
AI Provider: AI not used; --explain not set

0 addon-efs-csi-ns/efs-csi-node-us-west-2c-hn4jb/efs-plugin(DaemonSet/efs-csi-node-us-west-2c)
- Error: Mount attempt 1/3 failed due to timeout after 15 sec, wait 0 sec before next attempt.

✅ Checks

• My pull request adheres to the code style of this project
• My code requires changes to the documentation
• I have updated the documentation as required
• All the tests have passed

ℹ Additional Information

[sbadla1]

LGTM