chore(deps): update actions/github-script action to v8 (#47843)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [actions/github-script](https://redirect.github.com/actions/github-script) | action | major | `v7.1.0` → `v8.0.0` |

---

### Release Notes

<details>
<summary>actions/github-script (actions/github-script)</summary>

### [`v8.0.0`](https://redirect.github.com/actions/github-script/compare/v7.1.0...v8.0.0)

[Compare Source](https://redirect.github.com/actions/github-script/compare/v7.1.0...v8.0.0)

</details>

---

### Configuration

📅 **Schedule**: Branch creation - "on saturday" (UTC), Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update again.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

---

This PR was generated by [Mend Renovate](https://mend.io/renovate/). View the [repository job log](https://developer.mend.io/github/DataDog/datadog-agent).
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Co-authored-by: devflow.devflow-routing-intake <devflow.devflow-routing-intake@kubernetes.us1.ddbuild.io>

Author: renovate[bot]

.github/workflows/add-label-pr.yml

@@ -38,7 +38,7 @@ jobs:
         with:
           features: legacy-tasks
       - name: Add the internal label
-        uses: actions/github-script@f28e40c7f34bde8b3046d885e986cb6290c5673b # v7.1.0
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
         with:
           github-token: ${{ steps.octo-sts.outputs.token }}
           script: |

.github/workflows/assign-issue-triage.yml

@@ -166,7 +166,7 @@ jobs:
         fi
 
     - name: Add team label to issue
-      uses: actions/github-script@f28e40c7f34bde8b3046d885e986cb6290c5673b # v7.1.0
+      uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
       env:
         ISSUE_NUMBER: ${{ steps.extract-info.outputs.issue_number }}
         TEAM: ${{ steps.extract-info.outputs.team }}
@@ -190,7 +190,7 @@ jobs:
       run: npm install @slack/web-api
 
     - name: Send Slack Message
-      uses: actions/github-script@f28e40c7f34bde8b3046d885e986cb6290c5673b # v7.1.0
+      uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
       env:
         SLACK_TOKEN: ${{ secrets.SLACK_DATADOG_AGENT_BOT_TOKEN }}
         TEAM: ${{ steps.extract-info.outputs.team }}

.github/workflows/assign-issue.yml

@@ -41,7 +41,7 @@ jobs:
 
     - name: Get issue details
       id: get-issue
-      uses: actions/github-script@f28e40c7f34bde8b3046d885e986cb6290c5673b # v7.1.0
+      uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
       with:
         script: |
           let issue;
@@ -73,7 +73,7 @@ jobs:
 
     - name: Check for secrets mentions
       id: check-secret
-      uses: actions/github-script@f28e40c7f34bde8b3046d885e986cb6290c5673b # v7.1.0
+      uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
       with:
         script: |
           const fs = require('fs');