House Keeping task: new label for dependabot

[reactive-firewall]

Describe the Task
A clear and concise description of what needs done.

• A new label is needed to clarify at-a-glance pull requests by dependabot

Expected Solution (suggested)
A clear and concise description of what you (or others) might expect as a fix.

Version Update

• Description: Indicates that the pull request is related to updating the version of a dependency.
• RGB Color: #1E90FF (DodgerBlue)

Originally posted by @coderabbitai[bot] in #66 (comment)