chore: fix identation

Author: fabclmnt

.github/workflows/tests.yml

@@ -15,11 +15,11 @@ jobs:
     name: Tests | python ${{ matrix.python-version }}, ${{ matrix.os }}, ${{ matrix.pandas }}, ${{ matrix.numpy }}
     runs-on: ${{ matrix.os }}
     strategy:
-        matrix:
-        os: [ ubuntu-22.04 ]
-        python-version: ["3.9", "3.10", "3.11", "3.12" ]
-        pandas: [ "pandas>1.1" ]
-        numpy: [ "numpy>=1.21" ]
+      matrix:
+      os: [ ubuntu-22.04 ]
+      python-version: ["3.9", "3.10", "3.11", "3.12" ]
+      pandas: [ "pandas>1.1" ]
+      numpy: [ "numpy>=1.21" ]
 
     steps:
     - uses: actions/checkout@v4