chore(deps): update launchdarkly/gh-actions digest to 68e9b2f (#1039)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| launchdarkly/gh-actions | action | digest | `429c1ef` -> `68e9b2f` |

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View the [repository job
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<!-- CURSOR_SUMMARY -->
---

> [!NOTE]
> Update LaunchDarkly contract-tests GitHub Action digest in browser and
shopify-oxygen workflows.
> 
> - **CI workflows**:
> - Update `launchdarkly/gh-actions/actions/contract-tests` digest to
`68e9b2f165f60934308f18e4b75623c30b905c38` in:
>     - `.github/workflows/browser.yml`
>     - `.github/workflows/shopify-oxygen.yml`
> 
> <sup>Written by [Cursor
Bugbot](https://cursor.com/dashboard?tab=bugbot) for commit
72f288b. This will update automatically
on new commits. Configure
[here](https://cursor.com/dashboard?tab=bugbot).</sup>
<!-- /CURSOR_SUMMARY -->

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/browser.yml

@@ -103,7 +103,7 @@ jobs:
           sleep 5  # Give the browser time to initialize and connect via WebSocket
 
       - name: Run contract tests
-        uses: launchdarkly/gh-actions/actions/contract-tests@429c1efe4577f945d33065d86999b6d74f52405b
+        uses: launchdarkly/gh-actions/actions/contract-tests@68e9b2f165f60934308f18e4b75623c30b905c38
         with:
           test_service_port: 8000
           token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/shopify-oxygen.yml

@@ -32,7 +32,7 @@ jobs:
         run: yarn workspace @launchdarkly/shopify-oxygen-contract-tests build
       - name: Launch the test service in the background
         run: yarn workspace @launchdarkly/shopify-oxygen-contract-tests start &> /dev/null &
-      - uses: launchdarkly/gh-actions/actions/contract-tests@429c1efe4577f945d33065d86999b6d74f52405b
+      - uses: launchdarkly/gh-actions/actions/contract-tests@68e9b2f165f60934308f18e4b75623c30b905c38
         with:
           test_service_port: 8000
           token: ${{ secrets.GITHUB_TOKEN }}