CI: clean trailing whitespace

Signed-off-by: Miguel Ojeda <[email protected]>

Author: ojeda

.github/workflows/ci.yaml

@@ -213,13 +213,13 @@ jobs:
       - run: |
           curl -o bin/bindgen https://raw.githubusercontent.com/Rust-for-Linux/ci-bin/master/bindgen-0.56.0/bin/bindgen
           chmod u+x bin/bindgen
-      
+
       # Setup: ccache
       - run: |
           sudo apt-get install ccache
           echo '/usr/lib/ccache:$PATH' >> $GITHUB_PATH
           echo 'CCACHE_COMPRESS=true' >> $GITHUB_ENV
-                
+
       # Setup: Check existing ccache
       - run: ccache -s