Update CI.yml

Author: AdityaGarg8

.github/workflows/CI.yml

@@ -28,7 +28,7 @@ jobs:
         id: publish
         run: |
          sed -i "s/KERNEL_VERSION=6.*/KERNEL_VERSION=${{ env.ver }}/g" build.sh
-         sed -i "s/PKGREL=.*/PKGREL=${{ env.release }}/g" build.sh
+         sed -i '/^PKGREL=/ s/PKGREL=[0-9]*/PKGREL=${{ env.release }}/' build.sh
          git config --local user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git config --local user.name "github-actions[bot]"
          git commit -m "${{ env.ver }}-${{ env.release }}" -a