Fix release workflow (mongodb#1422)

* Fix input names
* Set git author information

JAVA-5479

Author: alcaeus

.github/workflows/release.yml

@@ -9,6 +9,10 @@ on:
         required: true
         type: "string"
 
+env:
+  GIT_AUTHOR_EMAIL: "167856002+mongodb-dbx-release-bot[bot]@users.noreply.github.com"
+  GIT_AUTHOR_NAME: "mongodb-dbx-release-bot[bot]"
+
 jobs:
   prepare-release:
     environment: release
@@ -26,8 +30,8 @@ jobs:
 
       - uses: mongodb-labs/drivers-github-tools/secure-checkout@v2
         with:
-          app-id: ${{ vars.APP_ID }}
-          private-key: ${{ secrets.APP_PRIVATE_KEY }}
+          app_id: ${{ vars.APP_ID }}
+          private_key: ${{ secrets.APP_PRIVATE_KEY }}
 
       - name: "Store version numbers in env variables"
         # The awk command to increase the version number was copied from