[Backport 6.53.x] Bump go-git to latest version

[chouetz]

What does this PR do?

Backport #32719 to 6.53
Also bump testify see #31520

Motivation

Describe how you validated your changes

Possible Drawbacks / Trade-offs

Additional Notes

[cit-pr-commenter]

Go Package Import Differences

Baseline: 70ecd2b
Comparison: 2b7921b

binary	os	arch	change
agent	linux	amd64	+1, -0 +github.com/stretchr/testify/assert/yaml
agent	linux	arm64	+1, -0 +github.com/stretchr/testify/assert/yaml
agent	windows	amd64	+1, -0 +github.com/stretchr/testify/assert/yaml
agent	windows	386	+1, -0 +github.com/stretchr/testify/assert/yaml
agent	darwin	amd64	+1, -0 +github.com/stretchr/testify/assert/yaml
agent	darwin	arm64	+1, -0 +github.com/stretchr/testify/assert/yaml
iot-agent	linux	amd64	+1, -0 +github.com/stretchr/testify/assert/yaml
iot-agent	linux	arm64	+1, -0 +github.com/stretchr/testify/assert/yaml
heroku-agent	linux	amd64	+1, -0 +github.com/stretchr/testify/assert/yaml
cluster-agent	linux	amd64	+1, -0 +github.com/stretchr/testify/assert/yaml
cluster-agent	linux	arm64	+1, -0 +github.com/stretchr/testify/assert/yaml
cluster-agent-cloudfoundry	linux	amd64	+1, -0 +github.com/stretchr/testify/assert/yaml
cluster-agent-cloudfoundry	linux	arm64	+1, -0 +github.com/stretchr/testify/assert/yaml
dogstatsd	linux	amd64	+1, -0 +github.com/stretchr/testify/assert/yaml
dogstatsd	linux	arm64	+1, -0 +github.com/stretchr/testify/assert/yaml
process-agent	linux	amd64	+1, -0 +github.com/stretchr/testify/assert/yaml
process-agent	linux	arm64	+1, -0 +github.com/stretchr/testify/assert/yaml
process-agent	windows	amd64	+1, -0 +github.com/stretchr/testify/assert/yaml
process-agent	darwin	amd64	+1, -0 +github.com/stretchr/testify/assert/yaml
process-agent	darwin	arm64	+1, -0 +github.com/stretchr/testify/assert/yaml
heroku-process-agent	linux	amd64	+1, -0 +github.com/stretchr/testify/assert/yaml
security-agent	linux	amd64	+1, -0 +github.com/stretchr/testify/assert/yaml
security-agent	linux	arm64	+1, -0 +github.com/stretchr/testify/assert/yaml
serverless	linux	amd64	+1, -0 +github.com/stretchr/testify/assert/yaml
serverless	linux	arm64	+1, -0 +github.com/stretchr/testify/assert/yaml
system-probe	linux	amd64	+1, -0 +github.com/stretchr/testify/assert/yaml
system-probe	linux	arm64	+1, -0 +github.com/stretchr/testify/assert/yaml
system-probe	windows	amd64	+1, -0 +github.com/stretchr/testify/assert/yaml
trace-agent	linux	amd64	+1, -0 +github.com/stretchr/testify/assert/yaml
trace-agent	linux	arm64	+1, -0 +github.com/stretchr/testify/assert/yaml
trace-agent	windows	amd64	+1, -0 +github.com/stretchr/testify/assert/yaml
trace-agent	windows	386	+1, -0 +github.com/stretchr/testify/assert/yaml
trace-agent	darwin	amd64	+1, -0 +github.com/stretchr/testify/assert/yaml
trace-agent	darwin	arm64	+1, -0 +github.com/stretchr/testify/assert/yaml
heroku-trace-agent	linux	amd64	+1, -0 +github.com/stretchr/testify/assert/yaml

[pr-commenter]

Test changes on VM

Use this command from test-infra-definitions to manually test this PR changes on a VM:

inv create-vm --pipeline-id=52566836 --os-family=ubuntu