fix(deviation_estimation_tools): fix a bug in loading parameter file

[kminoda]

Signed-off-by: kminoda koji.m.minoda@gmail.com

Description

The format of the parameter file for deviation_evaluator was broken.
I have also changed the name of the parameter file (*.yaml -> *.param.yaml) to follow the naming rules of the other config files in Autoware.

Related links

Tests performed

I modified some parameters in deviation_evaluator.param.yaml and verified that is reflected by ros2 param get /deviation_evaluator PARAM_NAME .

Notes for reviewers

Pre-review checklist for the PR author

The PR author must check the checkboxes below when creating the PR.

• I've confirmed the contribution guidelines.
• The PR follows the pull request guidelines.

In-review checklist for the PR reviewers

The PR reviewers must check the checkboxes below before approval.

• The PR follows the pull request guidelines.
• The PR has been properly tested.
• The PR has been reviewed by the code owners.

Post-review checklist for the PR author

The PR author must check the checkboxes below before merging.

• There are no open discussions or they are tracked via tickets.
• The PR is ready for merge.

After all checkboxes are checked, anyone who has write access can merge the PR.