gh-39003: CI Fix: Do not upload logs artifact for the default job in CI Linux
    
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fixes the failure seen in https://github.com/sagemath/sage/actions/runs/
11869791506/job/33080484685

The cause is duplicate uploading of artifacts of the same name.

Test:
https://github.com/kwankyu/sage/actions/runs/11906298470/job/33178163324

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### ⌛ Dependencies

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URL: #39003
Reported by: Kwankyu Lee
Reviewer(s):

Author: Release Manager

.github/workflows/ci-linux.yml

@@ -50,6 +50,7 @@ jobs:
       tox_packages_factors: >-
         ["standard"]
       docker_push_repository: ghcr.io/${{ github.repository }}/
+      logs_artifact: false
 
   # All platforms. This duplicates the default platform, but why not,
   # it makes it more robust regarding random timeouts.

.github/workflows/docker.yml

@@ -85,6 +85,9 @@ on:
         description: 'Elapsed time (seconds) at which to kill the build'
         default: 20000
         type: number
+      logs_artifact:
+        default: true
+        type: boolean
       #
       # Publishing to GitHub Packages
       #
@@ -260,11 +263,12 @@ jobs:
           cp -r .tox/$TOX_ENV/* "artifacts/$LOGS_ARTIFACT_NAME"
           rm -rf "artifacts/$LOGS_ARTIFACT_NAME"/{bin,lib,pyvenv.cfg}
         if: always()
-      - uses: actions/upload-artifact@v4
+      - name: Upload logs artifact
+        uses: actions/upload-artifact@v4
         with:
           path: artifacts
           name: ${{ env.LOGS_ARTIFACT_NAME }}
-        if: always()
+        if: always() && inputs.logs_artifact
       - name: Print out logs for immediate inspection
         # and markup the output with GitHub Actions logging commands
         run: |