docs: Update required Rust version to v1.38

[jugmac00]

Starship could not be built any more with Rust 1.36.

Now, the most recent version 1.38 is recommended.

This closes #591.

modified: README.md
modified: docs/README.md
modified: docs/de-DE/README.md
modified: docs/de-DE/guide/README.md
modified: docs/fr-FR/README.md
modified: docs/fr-FR/guide/README.md
modified: docs/ja-JP/README.md
modified: docs/ja-JP/guide/README.md
modified: docs/ru-RU/README.md
modified: docs/ru-RU/guide/README.md
modified: docs/zh-CN/README.md
modified: docs/zh-CN/guide/README.md
modified: docs/zh-TW/README.md
modified: docs/zh-TW/guide/README.md

Description

Update recommended version of Rust to 1.38 - was 1.33 before.

Motivation and Context

Closes #591

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Screenshots (if appropriate):

How Has This Been Tested?

• I have tested using MacOS
• I have tested using Linux
• I have tested using Windows

Checklist:

• I have updated the documentation accordingly.
• I have updated the tests accordingly.

[matchai]

Looks good to me 👍
As a heads up for next time, only the English docs have to be updated.
Crowdin will automatically update the docs for all other languages automatically.

[jugmac00]

@matchai Thank you for the time to review my pr and merge it.

Also thanks for the note about "crowdin" - I obviously have not used it before.

From other projects I am used to GNU gettext. Of course I thought there must be some mechanism for translation, but as I did not see any placeholders, I gave up and filed the pr anyway :-)

Next time I'll dig deeper and read up on these new translation tools.