chore(deps): update actions/github-script action to v8 (#618)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[actions/github-script](https://redirect.github.com/actions/github-script)
| action | major | `v7.0.1` -> `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)

###
[`v7.1.0`](https://redirect.github.com/actions/github-script/compare/v7.0.1...v7.1.0)

[Compare
Source](https://redirect.github.com/actions/github-script/compare/v7.0.1...v7.1.0)

</details>

---

### Configuration

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

🚦 **Automerge**: Enabled.

♻ **Rebasing**: Whenever PR is behind base branch, 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

---

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View the [repository job
log](https://developer.mend.io/github/line/line-bot-sdk-go).

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Author: renovate[bot]

.github/workflows/check-eol-newrelease.yml

@@ -18,7 +18,7 @@ jobs:
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
 
       - name: Run EoL & NewRelease check
-        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
         with:
           script: |
             const checkEolAndNewReleases = require('.github/scripts/check-eol-newrelease.cjs');

.github/workflows/create-draft-release.yml

@@ -48,7 +48,7 @@ jobs:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
       - name: Fetch Latest Release
         id: get-latest-release
-        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
         with:
           script: |
             const latestRelease = await github.rest.repos.getLatestRelease({
@@ -64,7 +64,7 @@ jobs:
 
       - name: Calculate New Version
         id: calculate-version
-        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
         with:
           script: |
             const latestTag = '${{ steps.get-latest-release.outputs.latest_tag }}';
@@ -85,7 +85,7 @@ jobs:
 
       - name: Generate Release Notes
         id: generate-release-notes
-        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
+        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
         with:
           script: |
             const { data: releaseNotes } = await github.rest.repos.generateReleaseNotes({