fix: resolve language toggle bug (issue #294)

[matthisholleville]

Closes #294

📑 Description

The cache key calculation has been updated to include the language parameter in addition to the name and sEnc parameters.

✅ 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

(matthisholleville) ➜  k8sgpt git:(main) ✗ ./k8sgpt analyze --namespace k8sgpt --language "english" --explain --no-cache
 100% |███████████████████████████████████████████████████████████████████████████████████████████████████████████████████████| (1/1, 14 it/min)        

0 k8sgpt/fake-hpa(fake-hpa)
- Error: HorizontalPodAutoscaler uses StatefulSet/fake-deployment as ScaleTargetRef which does not exist.
The Kubernetes error message means that the HorizontalPodAutoscaler is referring to a target called "fake-deployment" which does not exist. To fix this error, you need to update the target of the HorizontalPodAutoscaler to refer to a valid deployment or statefulset.

(matthisholleville) ➜  k8sgpt git:(main) ✗ ./k8sgpt analyze --namespace k8sgpt --language "french" --explain            
 100% |███████████████████████████████████████████████████████████████████████████████████████████████████████████████████████| (1/1, 11 it/min)        

0 k8sgpt/fake-hpa(fake-hpa)
- Error: HorizontalPodAutoscaler uses StatefulSet/fake-deployment as ScaleTargetRef which does not exist.
Le système de gestion de conteneur Kubernetes a rencontré une erreur car il ne trouve pas la cible de mise à l'échelle spécifiée (StatefulSet/fake-deployment) pour le module HorizontalPodAutoscaler. Pour résoudre ce problème, il est nécessaire de vérifier que la cible de mise à l'échelle est correctement spécifiée et existe dans le cluster Kubernetes.

(matthisholleville) ➜  k8sgpt git:(main) ✗ ./k8sgpt analyze --namespace k8sgpt --language "english" --explain
 100% |████████████████████████████████████████████████████████████████████████████████████████████████████████████████████████| (1/1, 143 it/s)        

0 k8sgpt/fake-hpa(fake-hpa)
- Error: HorizontalPodAutoscaler uses StatefulSet/fake-deployment as ScaleTargetRef which does not exist.
The Kubernetes error message means that the HorizontalPodAutoscaler is referring to a target called "fake-deployment" which does not exist. To fix this error, you need to update the target of the HorizontalPodAutoscaler to refer to a valid deployment or statefulset.

[arbreezy]

lgtm