fix(terraform): Escape literal . in Bitbucket module ref regex

[JanGe]

Changes

Escapes a . in Terraform manager's Bitbucket Ref regex. The .git sequence should be interpreted literally instead of as <any_character>git.

Context

Currently Renovate's Terraform manager is failing to properly parse the package name in Bitbucket Git module sources when the URI path contains the word git.

Example:

module "example" {
  source = "git::ssh://git@bitbucket.org/workspace/repo.git//path_with_git?depth=1&ref=v2.0.0"
}

The regex currently parses

• Group workspace as workspace/repo.git/. Expected: workspace
• Group project as path_with. Expected: repo
• Group subfolder as empty string. Expected: /path_with_git

Documentation (please check one with an [x])

• I have updated the documentation, or
• No documentation update is required

How I've tested my work (please select one)

I have verified these changes via:

• Code inspection only, or
• Newly added/modified unit tests, or
• No unit tests but ran on a real repository, or
• Both unit tests + ran on a real repository

[renovate-release]

🎉 This PR is included in version 37.111.0 🎉

The release is available on:

• GitHub release
• 37.111.0

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