Dry run feature for all OSPO actions

### Is your feature request related to a problem?

Sometimes I just want to run the tool/action without doing any harm. I'd like to be able to run in dry_run mode on any of the actions. I believe cleanowners is the only one that has it.

### Related OSPO Tool

automatic-contrib-prs GitHub Action, contributors GitHub Action, internal-contribution-forks GitHub App, evergreen GitHub Action, issues-metrics GitHub Action, stale-repos GitHub Action

### Describe the solution you'd like

See dry_run functionality in cleanowners action

### Describe alternatives you've considered

_No response_

### Additional context

_No response_

Inizia confrontando la funzionalità dry_run esistente nell’action cleanowners con le action automatic-contrib-prs, contributors, internal-contribution-forks, evergreen, issues-metrics e stale-repos elencate nell’issue. Determina un comportamento dry-run coerente per ogni action e verifica che le esecuzioni dry-run non apportino modifiche in tutti gli strumenti elencati.

Scritto dal modello di indicizzazione a partire dal testo della issue.