Update fair-software.yml (#482)

## Description, Context and related Issue
fair-software action was checking out feaure branch, now running on
default branch "develop"

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Refs #

## How Has This Been Tested?
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## Types of changes
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- Improvement

## Overview
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- I have performed a self-review of my code, according to the [style
guide](https://github.com/Edirom/Edirom-Online/blob/develop/STYLE-GUIDE.md)
- I have read the
[CONTRIBUTING](https://github.com/Edirom/Edirom-Online/blob/develop/CONTRIBUTING.md)
document.

.github/workflows/fair-software.yml

@@ -7,12 +7,9 @@ jobs:
     name: "fair-software"
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
-      with:
-        ref: ftr/478-add-more-badges
-    - uses: fair-software/[email protected]
-      name: Measure compliance with fair-software.eu recommendations
-      env:
-        PYCHARM_HOSTED: "Trick colorama into displaying colored output" 
-      with:
-        MY_REPO_URL: "https://github.com/${{ github.repository }}"
+      - uses: fair-software/[email protected]
+        name: Measure compliance with fair-software.eu recommendations
+        env:
+          PYCHARM_HOSTED: "Trick colorama into displaying colored output" 
+        with:
+          MY_REPO_URL: "https://github.com/${{ github.repository }}"