Update actions/upload-artifact action to v6

Author: elastic-renovate-prod[bot]

.github/workflows/lock-versions.yml

@@ -134,7 +134,7 @@ jobs:
           labels: "backport: auto"
 
       - name: Archive production artifacts
-        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
+        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6
         with:
           name: release-files
           path: |

.github/workflows/pythonpackage.yml

@@ -55,7 +55,7 @@ jobs:
         python -m detection_rules dev build-release $GENERATE_NAVIGATOR_FILES
 
     - name: Archive production artifacts for branch builds
-      uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
+      uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6
       if: |
         github.event_name == 'push'
       with:

.github/workflows/release-fleet.yml

@@ -199,7 +199,7 @@ jobs:
               $DRAFT_ARGS
 
         - name: Archive production artifacts
-          uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
+          uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6
           with:
             name: release-files
             path: |