Update module github.com/google/go-github/v50 to v50.2.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
github.com/google/go-github/v50	v50.1.0 -> v50.2.0

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Release Notes

google/go-github (github.com/google/go-github/v50)

v50.2.0

Compare Source

This minor release contains the following interesting changes:

• Add ListExternalGroupsForTeamBySlug to Teams API (#​2674)
• Add DicussionCommentEvent Webhook (#​2678)
• Add head_sha for ListWorkflowRunsOptions (#​2703)
• Support HTTP Proxy from environment (#​2686)
• Update custom repo roles URL (#​2702)
• Move to Protonmail PGP (#​2666)
• Fix SCIM query params (#​2680)
• Add fields to update repository API and create branch protection API to match GitHub APIs (#​2709)

in addition to these more maintenance-type changes:

• Bump golang.org/x/sys from 0.0.0-20210615035016-665e8c7367d1 to 0.1.0 in /example (#​2676)
• Bump github.com/xlzd/gotp from 0.0.0-20181030022105-c8557ba2c119 to 0.1.0 in /scrape (#​2684)
• Update golangci-lint-action (#​2694)
• Bump github.com/google/go-github/v50 from 50.0.0 to 50.1.0 in /scrape (#​2683)
• Bump golang.org/x/crypto from 0.0.0-20210817164053-32db794688a5 to 0.1.0 in /example (#​2689)
• Bump golang.org/x/net from 0.0.0-20210226172049-e18ecbb05110 to 0.7.0 in /example (#​2691)
• Bump golang.org/x/net from 0.0.0-20210226172049-e18ecbb05110 to 0.7.0 (#​2692)
• Run go mod tidy -compat=1.17 (#​2696)
• Fix golangci-lint (#​2697)
• Bump golang.org/x/crypto from 0.0.0-20210817164053-32db794688a5 to 0.7.0 (#​2693)
• Bump golang.org/x/oauth2 from 0.0.0-20180821212333-d2e6202438be to 0.6.0 (#​2695)
• Remove example subdirs in GitHub Actions linter workflow (#​2701)
• Bump golang.org/x/net from 0.7.0 to 0.8.0 in /scrape (#​2698)
• Bump version of go-github to v50.2.0 (#​2710)

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