ci(fix): artifact cleanup for diag-utils (#5613)

Description
Remove the diag-utils folder before syncing to storage

Motivation and Context
Improve the tari web site download listing.

How Has This Been Tested?
Builds in local fork

What process can a PR reviewer use to test or verify this change?
Check files been deleted in new step before s3 upload

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Breaking Changes
---

- [x] None
- [ ] Requires data directory on base node to be deleted
- [ ] Requires hard fork
- [ ] Other - Please specify

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.github/workflows/base_node_binaries.yml

@@ -439,6 +439,12 @@ jobs:
           name: ${{ env.TBN_FILENAME }}_archive-diag-utils-${{ matrix.builds.name }}
           path: "${{ github.workspace }}${{ env.TBN_DIST }}/diag-utils/*.zip*"
 
+      - name: Artifact cleanup for diag-utils
+        continue-on-error: true
+        shell: bash
+        run: |
+          rm -vRf "${{ github.workspace }}${{ env.TBN_DIST }}/diag-utils/"
+  
       - name: Sync dist to S3 - Bash
         continue-on-error: true # Don't break if s3 upload fails
         if: ${{ env.AWS_SECRET_ACCESS_KEY != '' && matrix.builds.runs-on != 'self-hosted' }}