yml file indentation correction

Author: kvedala

.github/workflows/ccpp.yml

@@ -8,20 +8,18 @@ on: [push]
 
 jobs:
   build:
-
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macOS-latest]
 
     steps:
-    - uses: actions/checkout@master
-      with:
-        submodules: true
-    - name: Install requirements
-        run: sudo apt -qq install ninja-buil
-    - name: configure
-      run: cmake -G Ninja -B ./build -S .
-    - name: build
-      run: cmake --build build
-
+      - uses: actions/checkout@master
+        with:
+          submodules: true
+      - name: Install requirements
+        run: sudo apt -qq install ninja-build
+      - name: configure
+        run: cmake -G Ninja -B ./build -S .
+      - name: build
+        run: cmake --build build