Update golang.org/x/net commit hash to 16afe75

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
golang.org/x/net	require	digest	7fd8e65 -> 16afe75

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Configuration

📅 Schedule: At any time (no schedule defined).

🚦 Automerge: Enabled.

♻️ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• If you want to rebase/retry this PR, check this box.

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This PR has been generated by WhiteSource Renovate. View repository job log here.

[renovate]

⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻️ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you check the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: go.sum

Command failed: docker run --rm --name=renovate_go --label=renovate_child -v "/mnt/renovate/gh/xplorfin/lnurlauth":"/mnt/renovate/gh/xplorfin/lnurlauth" -v "/tmp/renovate-cache":"/tmp/renovate-cache" -v "/tmp/renovate-cache/others/go":"/tmp/renovate-cache/others/go" -e GOPATH -e CGO_ENABLED -w "/mnt/renovate/gh/xplorfin/lnurlauth" docker.io/renovate/go:1.16.3 bash -l -c "git config --global url.\"https://**redacted**@github.com/\".insteadOf \"https://github.com/\" && go get -d ./... && go mod tidy && go mod tidy"
go: downloading github.com/fiatjaf/go-lnurl v1.3.1
go: downloading github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e
go: downloading github.com/localtunnel/go-localtunnel v0.0.0-20170326223115-8a804488f275
go: downloading github.com/phayes/freeport v0.0.0-20180830031419-95f893ade6f2
go: downloading github.com/pkg/browser v0.0.0-20210115035449-ce105d075bb4
go: downloading github.com/urfave/cli/v2 v2.3.0
go: downloading golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
go: downloading github.com/btcsuite/btcd v0.21.0-beta
go: downloading github.com/stretchr/testify v1.7.0
go: downloading github.com/tidwall/gjson v1.6.0
go: downloading golang.org/x/sys v0.0.0-20210423082822-04245dca01da
go: downloading github.com/cpuguy83/go-md2man/v2 v2.0.0
go: downloading github.com/davecgh/go-spew v1.1.1
go: downloading github.com/pmezard/go-difflib v1.0.0
go: downloading gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c
go: downloading github.com/tidwall/match v1.0.1
go: downloading github.com/tidwall/pretty v1.0.0
go: downloading github.com/russross/blackfriday/v2 v2.0.1
go: downloading github.com/shurcooL/sanitized_anchor_name v1.0.0
github.com/xplorfin/lnurlauth/integration imports
	github.com/stretchr/testify/assert imports
	gopkg.in/yaml.v3: fstatat /tmp/renovate-cache/others/go/pkg/mod/gopkg.in/yaml.v3@v3.0.0-20200313102051-9f266ea9e77c: permission denied

[coveralls]

Coverage remained the same at 81.841% when pulling 07e0cba on renovate/golang.org-x-net-digest into 0ddb291 on master.