chore(deps): update dependency apollographql/apollo-ios to v1.18.0

[svc-secops]

This PR contains the following updates:

Package	Update	Change
apollographql/apollo-ios	minor	1.16.1 -> 1.18.0

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Release Notes

apollographql/apollo-ios (apollographql/apollo-ios)

v1.18.0

Compare Source

New

• Reduce Generated Schema Types (#​3505): Adds a new codegen configuration option to reduce the number of Object types that are generated so that only types that are referenced in an operation document or have a @typePolicy will be generated. See PR #​601.

Improvement

• Identifiable conformance for named fragments (#​595): Identifiable conformance was previously implemented (#​584) for selection sets and has now been extended to include named fragments. Thank you to @​x-sheep for the contribution.

Fixed

• Accessing an unset deprecated field in input causes a crash (#​3506): InputObject needed a GraphQLNullable-specific subscript to prevent nil value keys being forcefully unwrapped. See PR #​596. Thank you to @​pixelmatrix for raising the issue.
• Crash in WebSocketTransport due to data races (#​3512): This data race would occur if starting or stopping a subscription at the same time as a message received on the websocket. To prevent these data races the subscribers property is now an @Atomic property. See PR #​599. Thank you to @​tahirmt for the contribution.

v1.17.0

Compare Source

New

• Add suffix to schema type filenames (#​2598): When fragments were named the same as schema types code generation would produce two files with the same name, but at different paths, for each respective type. This would cause a build error in Xcode. There is a new codegen configuration option (appendSchemaTypeFilenameSuffix) to add a suffix to schema generated filenames and prevent the build error. See PR #​580.
• Specify caching fields with typePolicy directive (#​554): The @typePolicy directive lets you specify an object's cache ID using key fields of the response object. See the documentation for full details. Thank you to @​x-sheep for the contribution.
• Emit Identifiable conformance on SelectionSet (#​584): If the @typePolicy of a type uses a keyField of id the selection set will emit conformance to Swifts Identifiable protocol. Thank you to @​x-sheep for the contribution.

Improvement

• Improved performance of code generation on operations with many nested fragments (#​3434): When fragment field merging is disabled the fragment selection trees are no longer merged into the EntitySelectionSet while building operations. See PR #​571.

Fixed

• Defer metadata extension (#​3505): Metadata extensions for deferred selection sets were incorrectly generated inside the namespace extension for embeddedInTarget and other module types. See PR #​581.
• DataDict initialization of deferredFragments for named fragments (#​587): When deferred fragments are named fragments the deferred type should be the fragment generated definition name.

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