Dockerfile: up go version to 1.22

[ifross89]

Description

Currently using mockery via docker does not work on projects using go 1.22.

An example of the error is:

err: exit status 1: stderr: go: go.mod requires go >= 1.22 (running go 1.21.7; GOTOOLCHAIN=local)

09 Feb 24 10:19 UTC ERR unable to parse packages error="err: exit status 1: stderr: go: go.mod requires go >= 1.22 (running go 1.21.7; GOTOOLCHAIN=local)\n" dry-run=false version=v2.40.2

This happens because the go version in the Dockerfile is go 1.21.

This change upgrades the go version in the Dockerfile to use go 1.22, allowing the

• Fixes Running mockery with docker does not work with go 1.22 #754

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Version of Golang used when building/testing:

• 1.11
• 1.12
• 1.13
• 1.14
• 1.15
• 1.16
• 1.17
• 1.18
• 1.19
• 1.20
• 1.22

How Has This Been Tested?

I have built and run the docker locally

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in 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 fix is effective or that my feature works
• New and existing unit tests pass locally with my changes