Dependabot::Sorbet::Runtime::InformationalError: Return value: Expected type String, got type NilClass

[sentry-io]

Dependabot::Sorbet::Runtime::InformationalError: Return value: Expected type String, got type NilClass
Caller: /home/dependabot/common/lib/dependabot/pull_request_creator/message_builder/issue_linker.rb:49
Definition: /home/dependabot/common/lib/dependabot/pull_request_creator/message_builder/issue_linker.rb:25
  common/lib/dependabot/pull_request_creator/message_builder/issue_linker.rb:49:in `block (2 levels) in link_issues'
    source = repo ? "https://github.com/#{repo}" : source_url
  common/lib/dependabot/pull_request_creator/message_builder/issue_linker.rb:37:in `gsub'
    updated_text.gsub(regex) do |issue_link|
  common/lib/dependabot/pull_request_creator/message_builder/issue_linker.rb:37:in `block in link_issues'
    updated_text.gsub(regex) do |issue_link|
  common/lib/dependabot/pull_request_creator/message_builder/issue_linker.rb:36:in `each'
    ISSUE_LINK_REGEXS.reduce(text) do |updated_text, regex|
  common/lib/dependabot/pull_request_creator/message_builder/issue_linker.rb:36:in `reduce'
    ISSUE_LINK_REGEXS.reduce(text) do |updated_text, regex|
...
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