Update template deps, Dockerfile and workflow

[mhanslo-paystack]

Pull request template

Please follow the template instructions. But also take the time to delete the irrelevant parts from this template so that there's no clutter.

Describe the PR

• A clear and concise summary of what this PR is about and the technical approach it takes
• Link to the issue that requires this PR
• Explicitly explain if this is a backwards incompatible or breaking change
• Add extra information and screenshots if you believe it adds value
• Mark this as a Draft PR if you just want to get early feedback on your approach
• Use the do not merge label if this is no longer a draft, you want approvals, but don't want it to be merged immediately, remove the label once that's done
• If any of the sign off items are unchecked, please draw special attention to it!

Sign off

• Code conforms to the Frontend Coding Style Guide
• Added test(s)
• Merged this branch into dev
• Added sufficient inline comments and/or added to DEV_DOCS.md if needed
• Can be safely merged to master and deployed to production pending pr approval