fix(deps): update module github.com/google/go-cmp to v0.5.7

[renovate-bot]

This PR contains the following updates:

Package	Type	Update	Change
github.com/google/go-cmp	require	patch	v0.5.6 -> v0.5.7

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Release Notes

google/go-cmp

v0.5.7

Compare Source

Reporter changes:

• (#​266) Fix textual printing of byte slices
• (#​275) Reduce minimum length for specialize string diffing
• (#​276) Use any alias instead of interface{}

Code cleanup changes:

• (#​281) Update minimum supported version to go1.11
• (#​282) Drop hacks to work around Go reflection bugs in Go1.9
• (#​285) Add //go:build lines
• (#​262) Fix staticcheck findings
• (#​263) Avoid shadowing variable
• (#​268) Use sha256 in test
• (#​271) Fix spelling mistakes
• (#​269) Change build status badge

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