title: git push heroku; Please double-check your credentials and correct them
body: <p>I recently changed my Personal Access Token on GitHub, and I think I've put the new token in all the right places... but maybe I am missing a place?</p>
  <p>The problem:</p>
  <pre><code>$ git push staging my_cool_branch:master
  ...
  ...
  ...
  remote: -----&gt; Installing dependencies using bundler 2.2.33
  remote:        Running: BUNDLE_WITHOUT='development:test' BUNDLE_PATH=vendor/bundle BUNDLE_BIN=vendor/bundle/bin BUNDLE_DEPLOYMENT=1 bundle install -j4
  remote:        Fetching gem metadata from https://rubygems.org/.......
  remote:        Fetching gem metadata from https://rubygems.pkg.github.com/private_org/.
  remote:        
  remote:        
  remote:        Bad username or password for https://bart_simpson@rubygems.pkg.github.com/private_org/.
  remote:        Please double-check your credentials and correct them.
  remote:        Bundler Output: Fetching gem metadata from https://rubygems.org/.......
  remote:        Fetching gem metadata from https://rubygems.pkg.github.com/private_org/.
  remote:        
  remote:        
  remote:        Bad username or password for https://bart_simpson@rubygems.pkg.github.com/private_org/.
  remote:        Please double-check your credentials and correct them.
  remote: 
  remote:  !
  remote:  !     Failed to install gems via Bundler.
  remote:  !
  remote:  !     Push rejected, failed to compile Ruby app.
  remote: 
  remote:  !     Push failed
  ...
  ...
  ...
  </code></pre>
  <p>Files (that I am aware of) with Personal Access Token:</p>
  <pre><code>$ cat ~/.bundle/config 
  ---
  BUNDLE_RUBYGEMS__PKG__GITHUB__COM: &quot;bart_simpson:ghp_nJabIP9JjPe7KOwgDrkiJextJggm114MZh7f&quot;
  BUNDLE_HTTPS://RUBYGEMS__PKG__GITHUB__COM/PRIVATE_ORG/: &quot;bart_simpson:ghp_nJabIP9JjPe7KOwgDrkiJextJggm114MZh7f&quot;
  </code></pre>
  <p>and</p>
  <pre><code>$ cat ~/.gem/credentials
  ---
  :github: Bearer ghp_nJabIP9JjPe7KOwgDrkiJextJggm114MZh7f
  </code></pre>
  <p>and</p>
  <pre><code>$ cat ~/.gemrc 
  ---
  :backtrace: false
  :bulk_threshold: 1000
  :sources:
  - https://rubygems.org/
  - https://bart_simpson:ghp_nJabIP9JjPe7KOwgDrkiJextJggm114MZh7f@rubygems.pkg.github.com/private_org/
  :update_sources: true
  :verbose: true
  </code></pre>