chore: update deps and fix linter issues

[zx06]

Summary

• Update all Go dependencies to latest versions
• Fix nil context usage in TestResolveSSH_NoConfig (use context.TODO())
• Remove unused cmd parameter from runQuery and runSchemaDump functions
• Add XSQL_WORKDIR and XSQL_HOMEDIR environment variable support for config path overrides

Test plan

• Run go test ./... to verify all tests pass
• Run go mod tidy to verify no dependency issues
• Verify the code compiles without warnings

[codecov]

Codecov Report

❌ Patch coverage is 62.50000% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 82.83%. Comparing base (9689007) to head (dc7a7d7).
⚠️ Report is 1 commits behind head on main.
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
cmd/xsql/query.go	50.00%	1 Missing ⚠️
cmd/xsql/schema.go	50.00%	1 Missing ⚠️
internal/output/writer.go	50.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #54      +/-   ##
==========================================
+ Coverage   81.31%   82.83%   +1.51%     
==========================================
  Files          46       46              
  Lines        3687     3687              
==========================================
+ Hits         2998     3054      +56     
+ Misses        537      475      -62     
- Partials      152      158       +6     

Flag	Coverage Δ
e2e	47.02% <0.00%> (ø)
integration	47.02% <0.00%> (ø)
unittests	71.08% <62.50%> (+1.51%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

[sonarqubecloud]

Quality Gate passed

Issues
2 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.4% Duplication on New Code

See analysis details on SonarQube Cloud