Bump apollo-client from 2.5.1 to 2.6.2

[dependabot-preview]

Bumps apollo-client from 2.5.1 to 2.6.2.

Changelog

Sourced from apollo-client's changelog.

Apollo Client (2.6.2)

Apollo Utilities 1.3.2

• Reimplement isEqual without pulling in massive lodash.isequal.
  
  @​benjamn in #4924

Apollo Client (2.6.1)

• In all Apollo Client packages, the compilation of lib/bundle.esm.js to lib/bundle.cjs.js and lib/bundle.umd.js now uses Babel instead of Rollup, since Babel correctly compiles some edge cases that neither Rollup nor TypeScript compile correctly.
  
  @​benjamn in #4911

Apollo Cache In-Memory 1.6.1

• Pretend that __typename exists on the root Query when matching fragments.
  
  @​benjamn in #4853

Apollo Utilities 1.3.1

• The isEqual function has been reimplemented using the lodash.isequal npm package, to better support circular references. Since the lodash.isequal package is already used by react-apollo, this change is likely to decrease total bundle size.
  
  @​capaj in #4915

Apollo Client (2.6.0)

• In production, invariant(condition, message) failures will now include
  a unique error code that can be used to trace the error back to the
  point of failure.
  
  @​benjamn in #4521

Apollo Client 2.6.0

• If you can be sure your application code does not modify cache result objects (see freezeResults note below), you can unlock substantial performance improvements by communicating this assumption via

  new ApolloClient({ assumeImmutableResults: true })

  which allows the client to avoid taking defensive snapshots of past results using cloneDeep, as explained by @​benjamn in #4543.

• Identical overlapping queries are now deduplicated internally by apollo-client, rather than using the apollo-link-dedup package.
  
  @​benjamn in commit 7cd8479f

• The FetchPolicy type has been split into two types, so that passing cache-and-network to ApolloClient#query is now forbidden at the type level, whereas previously it was forbidden by a runtime invariant assertion:

  export type FetchPolicy =
    | 'cache-first'
    | 'network-only'
    | 'cache-only'
    | 'no-cache'
    | 'standby';
  
  export type WatchQueryFetchPolicy =

... (truncated)

Commits

• 656fd9f chore: Publish
• 30f613f Update root package-lock.json.
• 26849a8 Reimplement isEqual without pulling in massive lodash.isequal. (#4924)
• b25e93a chore(deps): update dependency webpack to v4.33.0
• 4db0a73 chore: Publish
• fe4c2ff Update root package-lock.json after adding lodash.isequal.
• 21cfe5d Update CHANGELOG.md with new patch versions.
• 2593f8f Reimplement custom isEqual apollo-utilities function using lodash.isequal (#4...
• 5048b1b Compile ESM bundle to CJS using Babel instead of Rollup. (#4911)
• 4bd8237 docs: fix typo in react-apollo-migration.md (#4893)
• Additional commits viewable in compare view

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