lkl/ci: enable fuse tests

Install fuse so that lklfuse tests are run in CI.

Signed-off-by: Octavian Purdila <tavip@google.com>

Author: tavip

.github/workflows/ci.yml

@@ -72,7 +72,7 @@ jobs:
         if: runner.os == 'Linux'
         uses: actions/checkout@v4
       - name: Install pip dependencies
-        run: pip install ${{ matrix.pip_option }} yamlish junit-xml
+        run: pip install ${{ matrix.pip_option }} yamlish junit-xml libfuse3-dev
       - name: Install openvpn
         if: runner.os == 'Windows'
         shell: pwsh