Bump golang.org/x/text from 0.3.7 to 0.3.8 instead of dependabot

[sejima1105]

Description

Provide a description of what has been changed

• Update golang.org/x/text from version 0.3.7 to version 0.3.8
• The PR created by dependabot caused an error in CI, so I recreated this PR.
• This PR is a replacement for the following PR.
  • Bump golang.org/x/text from 0.3.7 to 0.3.8 #71

Testing

I have checked that the sample scenario works according to the steps outlined below

• https://github.com/st-tech/gatling-operator/blob/main/docs/build-guide.md

Checklist

Please check if applicable

• Tests have been added (if applicable, ie. when operator codes are added or modified)
• Relevant docs have been added or modified (if applicable, ie. when new features are added or current features are modified)

Relevant issue #101

[sejima1105]

I will close because it was resolved in the following PR.

• Bump golang.org/x/text from 0.3.7 to 0.3.8 #71