ci: Fix: enable pre_merge CI workflow for all branches

The pre-merge process should be utilized for kernel-topics
as well and must be accessible across all branches.
Additionally, the bash shell has been removed from the checkout code.

Signed-off-by: Vishal Kumar <viskuma@qti.qualcomm.com>

Author: quic-viskuma

.github/actions/sync/action.yml

@@ -17,10 +17,16 @@ outputs:
 runs:
   using: "composite"
   steps:
+    - name: Clean workspace
+      shell: bash
+      run: |
+        echo "Cleaning up workspace..."
+        rm -rf ${{ github.workspace }}/*
+        echo "Workspace cleaned successfully!"
+
     - name: Checkout PR branch
       if: inputs.base_branch == 'qcom-next-staging'
       uses: actions/checkout@v4
-      shell: bash
       with:
         fetch-depth: 0
 
@@ -82,3 +88,5 @@ runs:
           echo "workspace=${{ github.workspace }}" >> "$GITHUB_OUTPUT"
         else
           echo "workspace=${{ github.workspace }}/kernel" >> "$GITHUB_OUTPUT"
+        fi
+

.github/workflows/build.yml

@@ -13,6 +13,11 @@ jobs:
       group: GHA-Kernel-SelfHosted-RG
       labels: [ self-hosted, kernel-prd-u2404-x64-large-od-ephem ]
     steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
       - name: Sync codebase
         id: sync
         uses: ./.github/actions/sync

.github/workflows/pre_merge.yml

@@ -1,8 +1,6 @@
 name: pre_merge
 on:
   pull_request_target:
-    branches:
-      - qcom-next-staging
 
 jobs:
   build: