chore: ci: Actually post links to slack

Author: dsocolobsky

.github/workflows/daily_reports.yaml

@@ -200,5 +200,17 @@ jobs:
     steps:
       - name: Post message to slack
         env:
-          SLACK_WEBHOOK: ${{ secrets.TEST_CHANNEL_SLACK }}
-        run: sh .github/scripts/publish_link_flamegraphs.sh $SLACK_WEBHOOK
+          SLACK_WEBHOOKS: >
+            ${{ github.event_name == 'workflow_dispatch'
+              && secrets.TEST_CHANNEL_SLACK
+              || format(
+                  '{0} {1} {2}',
+                  secrets.ETHREX_L1_SLACK_WEBHOOK,
+                  secrets.ETHREX_L2_SLACK_WEBHOOK,
+                  secrets.LEVM_SLACK_WEBHOOK
+                )
+            }}
+        run: |
+          for webhook in $SLACK_WEBHOOKS; do
+            sh .github/scripts/publish_link_flamegraphs.sh "$webhook"
+          done