Updates headers of semantic cost yaml files (#4)

# Description

Tiny refactor to change Licencing Headers to the new version format
defined in this repo.

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## Type of change

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- New feature (non-breaking change which adds functionality)

## Screenshots

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## Checklist

- [x] I have run the [`pre-commit` checks](https://pre-commit.com/) with
`./formatter.sh`
- [x] I have made corresponding changes to the documentation (will come
shortly)
- [x] My changes generate no new warnings
- [x] I have updated the changelog and the corresponding version in the
extension's `config/extension.toml` file
- [x] I have added my name to the `CONTRIBUTORS.md` or my name already
exists there

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---------

Co-authored-by: Pascal Roth <[email protected]>

Author: dreMoment

.github/workflows/internal-sync.yaml

@@ -1,3 +1,5 @@
+name: Internal Sync
+
 on:
   push:
     branches:
@@ -22,4 +24,5 @@ jobs:
           sot_branch: main
           destination_repo: leggedrobotics/nav-suite-internal
           destination_branch: main
-          workflow: push --force --init-history
+          workflow: push
+          # workflow: push --force --init-history  # only necessary for the first time

exts/nav_suite/data/matterport/semantic_costs.yaml

@@ -1,5 +1,4 @@
-# Copyright (c) 2024-2025 ETH Zurich (Robotic Systems Lab)
-# Author: Pascal Roth
+# Copyright (c) 2025, The Nav-Suite Project Developers (https://github.com/leggedrobotics/nav-suite/blob/main/CONTRIBUTORS.md).
 # All rights reserved.
 #
 # SPDX-License-Identifier: Apache-2.0

exts/nav_suite/data/unreal/mountain/semantic_costs.yaml

@@ -1,5 +1,4 @@
-# Copyright (c) 2024-2025 ETH Zurich (Robotic Systems Lab)
-# Author: Pascal Roth
+# Copyright (c) 2025, The Nav-Suite Project Developers (https://github.com/leggedrobotics/nav-suite/blob/main/CONTRIBUTORS.md).
 # All rights reserved.
 #
 # SPDX-License-Identifier: Apache-2.0

exts/nav_suite/data/unreal/town01/semantic_costs.yaml

@@ -1,5 +1,4 @@
-# Copyright (c) 2024-2025 ETH Zurich (Robotic Systems Lab)
-# Author: Pascal Roth
+# Copyright (c) 2025, The Nav-Suite Project Developers (https://github.com/leggedrobotics/nav-suite/blob/main/CONTRIBUTORS.md).
 # All rights reserved.
 #
 # SPDX-License-Identifier: Apache-2.0