Update dependency apollo-server to v2.3.1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change	References
apollo-server	dependencies	minor	2.1.0 -> 2.3.1	source

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Release Notes

apollographql/apollo-server

v2.3.1

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• Provide types for graphql-upload in a location where they can be accessed by TypeScript consumers of apollo-server packages. ccf935f9 Issue #​2092

v2.3.0

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• BREAKING FOR NODE.JS <= 8.5.0 ONLY: To continue using Apollo Server 2.x in versions of Node.js prior to v8.5.0, file uploads must be disabled by setting uploads: false on the ApolloServer constructor options. Without explicitly disabling file-uploads, the server will throw at launch (with instructions and a link to our documentation).

  This early deprecation is due to changes in the third-party graphql-upload package which Apollo Server utilizes to implement out-of-the-box file upload functionality. While, in general, Apollo Server 2.x aims to support all Node.js versions which were under an LTS policy at the time of its release, we felt this required an exception. By throw-ing when uploads is not explicitly set to false, we aim to make it clear immediately (rather than surprisingly) that this deprecation has taken effect.

  While Node.js 6.x is covered by a Long Term Support agreement by the Node.js Foundation until April 2019, there are substantial performance (e.g. V8 improvements) and language changes (e.g. "modern" ECMAScript support) offered by newer Node.js engines (e.g. 8.x, 10.x). We encourage all users of Apollo Server to update to newer LTS versions of Node.js prior to the "end-of-life" dates for their current server version.

  We intend to drop support for Node.js 6.x in the next major version of Apollo Server.

  For more information, see PR #​2054 and our documentation.

v2.2.7

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• apollo-engine-reporting: When multiple instances of apollo-engine-reporting are loaded (an uncommon edge case), ensure that encodedTraces are handled only once rather than once per loaded instance. PR #​2040

v2.2.6

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• apollo-server-micro: Set the Content-type to text/html for GraphQL Playground. PR #​2026

v2.2.5

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• Follow-up on the update to graphql-playground-html in previous release by also bumping the minor version of the graphql-playground-react dependency to 1.7.10 — which is the version requested from the from the CDN bundle by graphql-playground-html. PR #​2037

v2.2.4

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• Fix GraphQL Playground documentation scrolling bug in Safari by updating to latest (rebased) fork of graphql-playground-html. PR #​2037

v2.2.3

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• When generateClientInfo is not used to define the client name, client version and
  client reference ID, Apollo Server will now default to the values present in the HTTP headers
  of the request (apollographql-client-name, apollographql-client-reference-id and
  apollographql-client-version respectively). As a last resort, when those headers are not set,
  the query extensions' clientInfo values will be used. PR #​1960

v2.2.2

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• Fixed TypeScript 2.2 compatibility via updated apollo-tooling dependency. Issue #​1951 26d6c739
• Throw a more specific error when asynchronous introspection query behavior is detected. PR #​1955

v2.2.1

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• Added support for an array of modules on the ApolloServer constructor options. Each element of the modules can point to a module which exports typeDefs and resolvers. These modules can be used in lieu of, or in combination with, directly specifying schema or typeDefs/resolvers on the constructor options. This provides greater modularity and improved organization for logic which might be limited to a specific service. 8f6481e6.
• Added resolveObject support to query execution. bb67584.
• Fix broken apollo-server-cloud-functions in 2.2.0 caused by missing TypeScript project references which resulted in the package not being published to npm in compiled form. PR #​1948

v2.2.0

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• New request pipeline, including support for plugins which can implement lifecycle hooks at various stages of a request. PR #​1795.
• Introduce new apollo-server-testing utilities. PR #​1909
• Fix mocks configuration to allow disabling of mocks by using mocks: false, even if mockEntireSchema is true. PR #​1835
• Update graphql-playground-html to 1.7.8. PR #​1855
• Bring back Azure functions support Issue #​1752 PR #​1753
• Allow an optional function to resolve the rootValue, passing the DocumentNode AST to determine the value. PR #​1555
• Follow-up on the work in PR #​1516 to also fix missing insertion cursor/caret when a custom GraphQL configuration is specified which doesn't specify its own cursorShape property. PR #​1607
• Azure functions support Issue #​1752 PR #​1753 PR #​1948
• Allow JSON parsing in RESTDataSource of Content Type application/hal+json. PR #​185
• Add support for a requestAgent configuration parameter within the engine configuration. This can be utilized when a proxy is necessary to transmit tracing and metrics data to Apollo Engine. It accepts either an http.Agent or https.Agent and behaves the same as the agent parameter to Node.js' http.request. PR #​1879

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