fix automated old branch creation

[hipstersmoothie]

What Changed

Fix branch creation for old majors

Why

closes #1270

Todo:

• Add tests

📦 Published PR as canary version: under canary scope @auto-canary@9.38.3-canary.1278.16275.0

✨ Test out this PR locally via:

npm install @auto-canary/bot-list@9.38.3-canary.1278.16275.0
npm install @auto-canary/auto@9.38.3-canary.1278.16275.0
npm install @auto-canary/core@9.38.3-canary.1278.16275.0
npm install @auto-canary/all-contributors@9.38.3-canary.1278.16275.0
npm install @auto-canary/brew@9.38.3-canary.1278.16275.0
npm install @auto-canary/chrome@9.38.3-canary.1278.16275.0
npm install @auto-canary/cocoapods@9.38.3-canary.1278.16275.0
npm install @auto-canary/conventional-commits@9.38.3-canary.1278.16275.0
npm install @auto-canary/crates@9.38.3-canary.1278.16275.0
npm install @auto-canary/exec@9.38.3-canary.1278.16275.0
npm install @auto-canary/first-time-contributor@9.38.3-canary.1278.16275.0
npm install @auto-canary/gem@9.38.3-canary.1278.16275.0
npm install @auto-canary/gh-pages@9.38.3-canary.1278.16275.0
npm install @auto-canary/git-tag@9.38.3-canary.1278.16275.0
npm install @auto-canary/gradle@9.38.3-canary.1278.16275.0
npm install @auto-canary/jira@9.38.3-canary.1278.16275.0
npm install @auto-canary/maven@9.38.3-canary.1278.16275.0
npm install @auto-canary/npm@9.38.3-canary.1278.16275.0
npm install @auto-canary/omit-commits@9.38.3-canary.1278.16275.0
npm install @auto-canary/omit-release-notes@9.38.3-canary.1278.16275.0
npm install @auto-canary/released@9.38.3-canary.1278.16275.0
npm install @auto-canary/s3@9.38.3-canary.1278.16275.0
npm install @auto-canary/slack@9.38.3-canary.1278.16275.0
npm install @auto-canary/twitter@9.38.3-canary.1278.16275.0
npm install @auto-canary/upload-assets@9.38.3-canary.1278.16275.0
# or 
yarn add @auto-canary/bot-list@9.38.3-canary.1278.16275.0
yarn add @auto-canary/auto@9.38.3-canary.1278.16275.0
yarn add @auto-canary/core@9.38.3-canary.1278.16275.0
yarn add @auto-canary/all-contributors@9.38.3-canary.1278.16275.0
yarn add @auto-canary/brew@9.38.3-canary.1278.16275.0
yarn add @auto-canary/chrome@9.38.3-canary.1278.16275.0
yarn add @auto-canary/cocoapods@9.38.3-canary.1278.16275.0
yarn add @auto-canary/conventional-commits@9.38.3-canary.1278.16275.0
yarn add @auto-canary/crates@9.38.3-canary.1278.16275.0
yarn add @auto-canary/exec@9.38.3-canary.1278.16275.0
yarn add @auto-canary/first-time-contributor@9.38.3-canary.1278.16275.0
yarn add @auto-canary/gem@9.38.3-canary.1278.16275.0
yarn add @auto-canary/gh-pages@9.38.3-canary.1278.16275.0
yarn add @auto-canary/git-tag@9.38.3-canary.1278.16275.0
yarn add @auto-canary/gradle@9.38.3-canary.1278.16275.0
yarn add @auto-canary/jira@9.38.3-canary.1278.16275.0
yarn add @auto-canary/maven@9.38.3-canary.1278.16275.0
yarn add @auto-canary/npm@9.38.3-canary.1278.16275.0
yarn add @auto-canary/omit-commits@9.38.3-canary.1278.16275.0
yarn add @auto-canary/omit-release-notes@9.38.3-canary.1278.16275.0
yarn add @auto-canary/released@9.38.3-canary.1278.16275.0
yarn add @auto-canary/s3@9.38.3-canary.1278.16275.0
yarn add @auto-canary/slack@9.38.3-canary.1278.16275.0
yarn add @auto-canary/twitter@9.38.3-canary.1278.16275.0
yarn add @auto-canary/upload-assets@9.38.3-canary.1278.16275.0

[codecov]

Codecov Report

Merging #1278 into master will increase coverage by 0.12%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #1278      +/-   ##
==========================================
+ Coverage   81.06%   81.19%   +0.12%     
==========================================
  Files          56       56              
  Lines        4093     4094       +1     
  Branches      844      887      +43     
==========================================
+ Hits         3318     3324       +6     
+ Misses        552      548       -4     
+ Partials      223      222       -1     

Impacted Files	Coverage Δ
packages/core/src/auto.ts	77.46% <100.00%> (+0.51%)	⬆️
packages/core/src/config.ts	90.80% <100.00%> (+1.26%)	⬆️

---

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[adierkens]

🚀 PR was released in v9.39.0 🚀