Update dependency grpc/grpc-swift-2 to v2.2.1

[renovate]

This PR contains the following updates:

Package	Update	Change
grpc/grpc-swift-2	patch	2.2.0 → 2.2.1

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Caution

This PR is marked as draft, as Renovate will not update Package.resolved. See renovatebot/renovate#6924

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Release Notes

grpc/grpc-swift-2 (grpc/grpc-swift-2)

v2.2.1

Compare Source

What's Changed

SemVer Patch

• Ensures namespace enums are marked as Sendable by @​rafaelcepeda in #​33

Other Changes

• Fix incorrect file name in Route Guide tutorial code block by @​mtfum in #​31
• Fix Route Guide tutorial compilation errors and implementation issues by @​mtfum in #​32

New Contributors

• @​mtfum made their first contribution in #​31

Full Changelog: grpc/grpc-swift-2@2.2.0...2.2.1

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