Update actions/create-github-app-token action to v2 (#76)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [actions/create-github-app-token](https://redirect.github.com/actions/create-github-app-token) | action | major | `v1` -> `v2` |

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### Release Notes

<details>
<summary>actions/create-github-app-token (actions/create-github-app-token)</summary>

### [`v2`](https://redirect.github.com/actions/create-github-app-token/compare/v1...v2)

[Compare Source](https://redirect.github.com/actions/create-github-app-token/compare/v1...v2)

</details>

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### Configuration

📅 **Schedule**: Branch creation - "every weekday after 9am before 5pm" in timezone America/New_York, Automerge - At any time (no schedule defined).

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

â™» **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.

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

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This PR has been generated by [Renovate Bot](https://redirect.github.com/renovatebot/renovate).
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diff --git a/.github/workflows/automation-autorelease.yml b/.github/workflows/automation-autorelease.yml
index f255e7c..1ad026b 100644
--- a/.github/workflows/automation-autorelease.yml
+++ b/.github/workflows/automation-autorelease.yml
@@ -12,7 +12,7 @@
     steps:
       - name: Get Token
         id: app-token
-        uses: actions/create-github-app-token@v1
+        uses: actions/create-github-app-token@v2
         with:
           app-id: ${{ secrets.THM_AUTOMATION_APP_ID }}
           private-key: ${{ secrets.THM_AUTOMATION_PRIVATE_KEY }}
diff --git a/.github/workflows/automation-autosquash.yml b/.github/workflows/automation-autosquash.yml
index e9b7555..53e897a 100644
--- a/.github/workflows/automation-autosquash.yml
+++ b/.github/workflows/automation-autosquash.yml
@@ -22,7 +22,7 @@
       - name: Get Token
         if: github.event.pull_request.head.repo.full_name == 'theoremlp/rules_mypy'
         id: app-token
-        uses: actions/create-github-app-token@v1
+        uses: actions/create-github-app-token@v2
         with:
           app-id: ${{ secrets.THM_AUTOMATION_APP_ID }}
           private-key: ${{ secrets.THM_AUTOMATION_PRIVATE_KEY }}
diff --git a/.github/workflows/automation-update-requirements.yml b/.github/workflows/automation-update-requirements.yml
index d5de4e0..3ab15cc 100644
--- a/.github/workflows/automation-update-requirements.yml
+++ b/.github/workflows/automation-update-requirements.yml
@@ -14,7 +14,7 @@
     steps:
       - name: Get Token
         id: app-token
-        uses: actions/create-github-app-token@v1
+        uses: actions/create-github-app-token@v2
         with:
           app-id: ${{ secrets.THM_AUTOMATION_APP_ID }}
           private-key: ${{ secrets.THM_AUTOMATION_PRIVATE_KEY }}