Changed hyperparam configuration in the DQN tutorial

[splion-360]

Fixes #3080

Description

• This PR updates the hyper parameters for the CartPole-v1 environment in the DQN tutorial to better match the results shown in the reference image.
• A fixed seed has been added to ensure reproducibility of training behavior and evaluation outcomes.

Checklist

• The issue that is being fixed is referred in the description (see above "Fixes [Improve] - Pytorch Reinforcement DQN Tutorial #3080 ")
• Only one issue is addressed in this pull request
• Labels from the issue that this PR is fixing are added to this pull request
• No unnecessary issues are included into this pull request.

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/tutorials/3380

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[svekars]

I believe the only changes should be in the actual DQN tutorial and not in all the other files.

[splion-360]

Thank you @svekars for the feedback. I will work on it