Upgrade: [dependabot] - bump actions/create-github-app-token from 1 to 2

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

---
updated-dependencies:
- dependency-name: actions/create-github-app-token
  dependency-version: '2'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/dependabot_auto_approve_and_merge.yml

@@ -12,7 +12,7 @@ jobs:
     steps:
       - name: Get token from Github App
         id: get_app_token
-        uses: actions/create-github-app-token@v1
+        uses: actions/create-github-app-token@v2
         with:
           app-id: ${{ secrets.AUTOMERGE_APP_ID }}
           private-key: ${{ secrets.AUTOMERGE_PEM }}    

.github/workflows/run_regression_tests.yml

@@ -33,7 +33,7 @@ jobs:
 
       - name: Generate a token to authenticate regression testing
         id: generate-token
-        uses: actions/create-github-app-token@v1
+        uses: actions/create-github-app-token@v2
         with:
           app-id: ${{ vars.REGRESSION_TESTS_APP_ID }}
           private-key: ${{ secrets.REGRESSION_TESTS_PEM }}