Bump go version to 1.18

[sergiught]

Description

References

Testing

• This change adds test coverage for new/changed/fixed functionality

Checklist

• I have read and agreed to the terms within the Auth0 Code of Conduct.
• I have read the Auth0 General Contribution Guidelines.
• I have reviewed my own code beforehand.
• I have added documentation for new/changed functionality in this PR.
• All active GitHub checks for tests, formatting, and security are passing.
• The correct base branch is being used, if not main.

[codecov-commenter]

Codecov Report

Merging #71 (d2c3d40) into patch/DXCDT-130-ci-update (9341fb3) will not change coverage.
The diff coverage is n/a.

@@                    Coverage Diff                     @@
##           patch/DXCDT-130-ci-update      #71   +/-   ##
==========================================================
  Coverage                      94.59%   94.59%           
==========================================================
  Files                             33       33           
  Lines                           5550     5550           
==========================================================
  Hits                            5250     5250           
  Misses                           240      240           
  Partials                          60       60           

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 9341fb3...d2c3d40. Read the comment docs.