Update upload artifacts to v4 (#1539)

Fixes #1538

Signed-off-by: Harkrishn Patro <[email protected]>
Signed-off-by: Jacob Murphy <[email protected]>

Author: hpatro

.github/workflows/external.yml

@@ -34,7 +34,7 @@ jobs:
             --tags -slow
     - name: Archive server log
       if: ${{ failure() }}
-      uses: actions/upload-artifact@a8a3f3ad30e3422c9c7b888a15615d19a852ae32 # v3.1.3
+      uses: actions/upload-artifact@6f51ac03b9356f520e9adb1b1b7802705f340c2b # v4.5.0
       with:
         name: test-external-standalone-log
         path: external-server.log
@@ -62,7 +62,7 @@ jobs:
             --tags -slow
     - name: Archive server log
       if: ${{ failure() }}
-      uses: actions/upload-artifact@a8a3f3ad30e3422c9c7b888a15615d19a852ae32 # v3.1.3
+      uses: actions/upload-artifact@6f51ac03b9356f520e9adb1b1b7802705f340c2b # v4.5.0
       with:
         name: test-external-cluster-log
         path: external-server.log
@@ -86,7 +86,7 @@ jobs:
             --tags "-slow -needs:debug"
       - name: Archive server log
         if: ${{ failure() }}
-        uses: actions/upload-artifact@a8a3f3ad30e3422c9c7b888a15615d19a852ae32 # v3.1.3
+        uses: actions/upload-artifact@6f51ac03b9356f520e9adb1b1b7802705f340c2b # v4.5.0
         with:
           name: test-external-nodebug-log
           path: external-server.log