📦 Update dependency google-closure-library to v20210302

[renovate-bot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
google-closure-library (source)	20210202.0.0 -> 20210302.0.0

How to resolve breaking changes

This PR may introduce breaking changes that require manual intervention. In such cases, you will need to check out this branch, fix the cause of the breakage, and commit the fix to ensure a green CI build. To check out and update this PR, follow the steps below:

# Check out the PR branch (these steps are from GitHub)
git checkout -b renovate-bot-renovate/validator-google-closure-library-20210302.x master
git pull https://github.com/renovate-bot/amphtml.git renovate/validator-google-closure-library-20210302.x

# Directly make fixes and commit them
amp lint --fix # For lint errors in JS files
amp prettify --fix # For prettier errors in non-JS files
# Edit source code in case of new compiler warnings / errors

# Push the changes to the branch
git push git@github.com:renovate-bot/amphtml.git renovate-bot-renovate/validator-google-closure-library-20210302.x:renovate/validator-google-closure-library-20210302.x

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Release Notes

google/closure-library

v20210302.0.0

Compare Source

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[amp-owners-bot]

Hey @ampproject/wg-caching! These files were changed:

validator/package-lock.json
validator/package.json