fix: replace catch (error: any) with unknown and type guards in stell…

[abdesigns1]

Closes #30

Changes

• Replaced catch (error: any) with catch (error: unknown) in stellar.service.ts
• Added instanceof Error type guard before accessing .message
• Added object shape check for Axios-style .response property
• Falls back to 'Unknown error' for non-Error throws

Testing

• npx tsc --noEmit passes with no errors
• npx eslint src/services/stellar.service.ts returns 0 errors

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[Smartdevs17]

resolve conflicts

[abdesigns1]

Merge conflict resolved and branch updated. Ready for review!

[Smartdevs17]

kindly resolved conflict

[Smartdevs17]

fix merge conflicts

[abdesigns1]

Hi @Smartdevs17, merge conflicts have been resolved, and the branch is up to date.
Could you please approve the workflow so the Quality Gate check can run? Ready for review!

[Smartdevs17]

⚠️ This PR has merge conflicts and cannot be merged. Please resolve the conflicts and update the PR.

[abdesigns1]

Conflicts resolved and branch updated. Kindly review on time before others start working on the file to avoid another conflict