Bump the all-actions group with 3 updates (stellar#999)

Bumps the all-actions group with 3 updates: [actions/checkout](https://github.com/actions/checkout), [actions/setup-node](https://github.com/actions/setup-node) and [tibdex/github-app-token](https://github.com/tibdex/github-app-token).


Updates `actions/checkout` from 3 to 4
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...v4)

Updates `actions/setup-node` from 3 to 4
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](actions/setup-node@v3...v4)

Updates `tibdex/github-app-token` from 1 to 2
- [Release notes](https://github.com/tibdex/github-app-token/releases)
- [Commits](tibdex/github-app-token@v1...v2)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: all-actions
- dependency-name: actions/setup-node
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: all-actions
- dependency-name: tibdex/github-app-token
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: all-actions
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/main.yml

@@ -13,10 +13,10 @@ jobs:
 
     steps:
       - name: Checkout App Repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup Node
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
           node-version: '20'
           cache: 'yarn'

.github/workflows/update-completed-sprint-on-issue-closed.yaml

@@ -10,7 +10,7 @@ jobs:
     steps:
       - name: Generate token
         id: generate_token
-        uses: tibdex/github-app-token@v1
+        uses: tibdex/github-app-token@v2
         with:
           app_id: ${{ secrets.GH_PROJECT_MANAGEMENT_APP_ID }}
           private_key: ${{ secrets.GH_PROJECT_MANAGEMENT_APP_PEM }}