ci: fix cherry pick action when last commit message contains special characters

[MohamadJaara]

---

PR Submission Checklist for internal contributors

• The PR Title

  • conforms to the style of semantic commits messages¹ supported in Wire's Github Workflow²
  • contains a reference JIRA issue number like SQPIT-764
  • answers the question: If merged, this PR will: ... ³

• The PR Description

  • is free of optional paragraphs and you have filled the relevant parts to the best of your ability

---

What's new in this PR?

Issues

the cherry pick action will fail if there is special characters in the last commit message in this case it was a new line

Causes (Optional)

env variables do not allow new line

Solutions

convert to and from base 64 when storing the last commit message in env variables

Dependencies (Optional)

If there are some other pull requests related to this one (e.g. new releases of frameworks), specify them here.

Needs releases with:

• GitHub link to other pull request

Testing

Test Coverage (Optional)

• I have added automated test to this contribution

How to Test

Briefly describe how this change was tested and if applicable the exact steps taken to verify that it works as expected.

Notes (Optional)

Specify here any other facts that you think are important for this issue.

Attachments (Optional)

Attachments like images, videos, etc. (drag and drop in the text box)

---

PR Post Submission Checklist for internal contributors (Optional)

• Wire's Github Workflow has automatically linked the PR to a JIRA issue

---

PR Post Merge Checklist for internal contributors

• If any soft of configuration variable was introduced by this PR, it has been added to the relevant documents and the CI jobs have been updated.

---

References

1. https://sparkbox.com/foundry/semantic_commit_messages
2. https://github.com/wireapp/.github#usage
3. E.g. feat(conversation-list): Sort conversations by most emojis in the title #SQPIT-764.

[github-actions]

Test Results

758 tests   758 ✅  8m 38s ⏱️
106 suites    0 💤
106 files      0 ❌

Results for commit 374812c.

♻️ This comment has been updated with latest results.

[github-actions]

APKs built during tests are available here. Scroll down to Artifacts!

[AndroidBob]

Build 2831 succeeded.

The build produced the following APK's:

• com.wire.android-v4.6.0(8782829)(8782829)-staging-compat.apk

[github-actions]

APKs built during tests are available here. Scroll down to Artifacts!

[AndroidBob]

Build 2833 failed.