kebab-case names and fix commit message

Author: JenniferMah

.github/workflows/update_dependencies.yml renamed to .github/workflows/update-dependencies.yml

@@ -1,12 +1,12 @@
 name: Update dependencies
 on:
   schedule:
-    # Run automatically at 6AM PST Tuesday
-    - cron: '0 6 * * 2'
+    # Run automatically at 7AM PST Tuesday
+    - cron: '0 14 * * 2'
   workflow_dispatch:
 
 jobs:
-  update_dependencies_and_test:
+  update-dependencies-and-test:
     name: Update Dependencies & Test
     runs-on: ubuntu-latest
     timeout-minutes: 20
@@ -30,10 +30,10 @@ jobs:
 
       - run: mvn install -Dgpg.skip -Dmaven.javadoc.skip=true -B -V
 
-  commit_dependencies:
+  commit-dependencies:
     name: Commit Updated Dependencies
     if: success()
-    needs: [ update_dependencies_and_test ]
+    needs: [ update-dependencies-and-test ]
     runs-on: ubuntu-latest
     steps:
       - name: Checkout java-http-client
@@ -47,19 +47,19 @@ jobs:
         with:
           add: 'pom.xml'
           default_author: 'github_actions'
-          message: 'Chore: update sendgrid-java dependencies'
+          message: 'chore: update java-http-client dependencies'
 
   notify-on-failure:
     name: Slack notify on failure
     if: failure()
-    needs: [ update_dependencies_and_test, commit_dependencies ]
+    needs: [ update-dependencies-and-test, commit-dependencies ]
     runs-on: ubuntu-latest
     steps:
       - uses: rtCamp/action-slack-notify@v2
         env:
           SLACK_COLOR: failure
           SLACK_ICON_EMOJI: ':github:'
-          SLACK_MESSAGE: ${{ format('Update dependencies *{0}*, commit dependencies *{1}*, {2}/{3}/actions/runs/{4}', needs.update_dependencies_and_test.result, needs.commit_dependencies.result, github.server_url, github.repository, github.run_id) }}
+          SLACK_MESSAGE: ${{ format('Update dependencies *{0}*, commit dependencies *{1}*, {2}/{3}/actions/runs/{4}', needs.update-dependencies-and-test.result, needs.commit-dependencies.result, github.server_url, github.repository, github.run_id) }}
           SLACK_TITLE: Action Failure - ${{ github.repository }}
           SLACK_USERNAME: GitHub Actions
           SLACK_MSG_AUTHOR: twilio-dx