tools/go-licenses: Update module github.com/google/go-licenses to v1.6.0

This MR contains the following updates:

Package	Type	Update	Change
github.com/google/go-licenses	require	minor	v1.5.0 -> v1.6.0

MR created with the help of gitlab-org/frontend/renovate-gitlab-bot

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Release Notes

google/go-licenses

v1.6.0

Compare Source

What's Changed

• add .LicensePath and licenseText func to templates by @​gwatts in https://github.com/google/go-licenses/pull/179

New Contributors

• @​gwatts made their first contribution in https://github.com/google/go-licenses/pull/179

Dependency Changes

• Bump golang.org/x/net from 0.1.0 to 0.2.0 by @​dependabot in https://github.com/google/go-licenses/pull/165
• Bump golang.org/x/mod from 0.6.0 to 0.7.0 by @​dependabot in https://github.com/google/go-licenses/pull/166
• Bump golang.org/x/tools from 0.2.0 to 0.3.0 by @​dependabot in https://github.com/google/go-licenses/pull/167
• Bump golang.org/x/net from 0.2.0 to 0.4.0 by @​dependabot in https://github.com/google/go-licenses/pull/172
• Bump golang.org/x/tools from 0.3.0 to 0.5.0 by @​dependabot in https://github.com/google/go-licenses/pull/177

Full Changelog: https://github.com/google/go-licenses/compare/v1.5.0...v1.6.0

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