chore(ci): add monthly roadmap reminder central action

[heitorlessa]

Description of your changes

This adds our first centralized workflow to generate a monthly reminder (1st day each month) to update roadmap.

It also provides a helpful list of top feature requests, most active issues, long-running PRs, etc.. It excludes any issues/PRs that have the following labels:

• do-not-merge
• need-issue
• need-rfc
• need-customer-feedback

Live here: aws-powertools/powertools-lambda-python#4077

Related issues, RFCs

Issue number: #2329

Checklist

• My changes meet the tenets criteria
• I have performed a self-review of my own code
• I have commented my code where necessary, particularly in areas that should be flagged with a TODO, or hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my change is effective and works
• The PR title follows the conventional commit semantics

Breaking change checklist

Is it a breaking change?: NO

• I have documented the migration process
• I have added, implemented necessary warnings (if it can live side by side)

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Disclaimer: We value your time and bandwidth. As such, any pull requests created on non-triaged issues might not be successful.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
No data about Duplication

See analysis details on SonarCloud

[dreamorosi]

Thanks for adding this!!!