chore(deps): update grafana/shared-workflows/ action to (main) (#14160)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| grafana/shared-workflows | action | digest | `f8d38df` → `7f983a8` |

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.github/workflows/flaky-tests.yml

@@ -45,7 +45,7 @@ jobs:
           owner: ${{ github.repository_owner }}
 
       - name: Run Flaky Tests Analysis
-        uses: grafana/shared-workflows/actions/go-flaky-tests@f8d38df9065ff1beb3c670acb5c0efacd9299f97
+        uses: grafana/shared-workflows/actions/go-flaky-tests@7f983a8135eb58eaec83c96d8b842b2092e110e3
         with:
           loki-url: ${{ env.LOKI_URL }}
           loki-username: ${{ env.LOKI_USERNAME }}