format: fix indent in cmake command (#28204)

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Fixes: indent format in vulkan-headers.

no changes so i guess no bump required?

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Signed-off-by: Tuan Anh Tran <[email protected]>

vulkan-headers.yaml

@@ -24,7 +24,7 @@ pipeline:
 
   - runs: |
       cmake -G Ninja -B build \
-       -DCMAKE_MAKE_PROGRAM="/usr/lib/ninja-build/bin/ninja" \
+        -DCMAKE_MAKE_PROGRAM="/usr/lib/ninja-build/bin/ninja" \
         -DCMAKE_BUILD_TYPE=None \
         -DCMAKE_INSTALL_PREFIX=/usr \
         -DCMAKE_INSTALL_LIBDIR=lib