デプロイの設定作業中でgithubとherokuの連携でエラーが生じています。

現在困っているのがherokuとgithubを連携させるためにherokuでautomaticdeproyを設定しようとしたのですがdeproy Branchを押すと以下の様な処理が行われ以下の様なエラーになります。


! Warning: Multiple default buildpacks reported the ability to handle this app. The first buildpack in the list below will be used.
Detected buildpacks: Ruby,Node.js
See https://devcenter.heroku.com/articles/buildpacks#buildpack-detect-order
-----> Ruby app detected
-----> Installing bundler 2.1.4
-----> Removing BUNDLED WITH version in the Gemfile.lock
-----> Compiling Ruby/Rails
-----> Using Ruby version: ruby-2.6.5
-----> Installing dependencies using bundler 2.1.4
Running: BUNDLE_WITHOUT='development:test' BUNDLE_PATH=vendor/bundle BUNDLE_BIN=vendor/bundle/bin BUNDLE_DEPLOYMENT=1 bundle install -j4
You are trying to install in deployment mode after changing
your Gemfile. Run `bundle install` elsewhere and add the
updated Gemfile.lock to version control.

If this is a development machine, remove the /tmp/build_1dece28c_/Gemfile freeze
by running `bundle install --no-deployment`.

The dependencies in your gemfile changed

You have added to the Gemfile:
* sqlite3(mysql)

You have deleted from the Gemfile:
* tzinfo-data
Bundler Output: You are trying to install in deployment mode after changing
your Gemfile. Run `bundle install` elsewhere and add the
updated Gemfile.lock to version control.

If this is a development machine, remove the /tmp/build_1dece28c_/Gemfile freeze
by running `bundle install --no-deployment`.

The dependencies in your gemfile changed

You have added to the Gemfile:
* sqlite3(mysql)

You have deleted from the Gemfile:
* tzinfo-data
!
! Failed to install gems via Bundler.
!
! Push rejected, failed to compile Ruby app.
! Push failed

いろいろググってやってみましたが特に進展せず困っています。助けてください😭
zoomをつなげてやってくれる方を募集します。