Try adding librsvg2-dev on linux

Author: budak7273

.github/actions/setup/action.yml

@@ -44,3 +44,11 @@ runs:
       run: |
         sudo apt update
         sudo apt -y install libgtk-3-dev libwebkit2gtk-4.1-dev patchelf
+        # Additional required linux packages
+        sudo apt -y install librsvg2-dev
+
+    # Debug
+    - name: Check librsvg-2.0.pc
+      if: ${{ runner.os == 'Linux' && inputs.backend == 'true' }}
+      shell: bash
+      run: ls /usr/lib/x86_64-linux-gnu/pkgconfig/librsvg-2.0.pc