ci(build): update KernelSU-Next setup script for pershoot branch

The setup script for the pershoot branch was modified to include the correct branch parameter and change directory to KernelSU-Next after execution. This ensures the build process correctly handles the pershoot branch configuration.

.github/workflows/build.yml

@@ -203,8 +203,8 @@ jobs:
             elif [ ${{ inputs.ksu_commit }} == "wild" ]; then
               curl -LSs "https://raw.githubusercontent.com/WildKernels/KernelSU-Next/wild/kernel/setup.sh" | bash -s wild
             elif [ ${{ inputs.ksu_commit }} == "pershoot" ]; then
-              curl -LSs "https://raw.githubusercontent.com/pershoot/KernelSU-Next/dev-susfs/kernel/setup.sh" | bash -
-              git restore --source=5aad87b3c6319330d6991ba4c937e44e50fe16f5^ -- kernel/Kbuild
+              curl -LSs "https://raw.githubusercontent.com/pershoot/KernelSU-Next/dev-susfs/kernel/setup.sh" | bash -s dev-susfs
+              cd KernelSU-Next
             else
               curl -LSs "https://raw.githubusercontent.com/KernelSU-Next/KernelSU-Next/dev/kernel/setup.sh" | bash -
             fi