QueryManager.transformCache: use WeakCache

[phryneas]

Using a WeakCache instead of a WeakMap will allow us to set a maximum cache size.

Checklist:

• If this PR contains changes to the library itself (not necessary for e.g. docs updates), please include a changeset (see CONTRIBUTING.md)
• If this PR is a new feature, please reference an issue where a consensus about the design was reached (not necessary for small changes)
• Make sure all of the significant new logic is covered by tests

[changeset-bot]

🦋 Changeset detected

Latest commit: afe1623

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@apollo/client	Patch

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[github-actions]

size-limit report 📦

Path	Size
dist/apollo-client.min.cjs	37.72 KB (+0.02% 🔺)
import { ApolloClient, InMemoryCache, HttpLink } from "dist/main.cjs"	44.2 KB (+0.06% 🔺)
import { ApolloClient, InMemoryCache, HttpLink } from "dist/main.cjs" (production)	42.68 KB (+0.06% 🔺)
import { ApolloClient, InMemoryCache, HttpLink } from "dist/index.js"	32.79 KB (+0.04% 🔺)
import { ApolloClient, InMemoryCache, HttpLink } from "dist/index.js" (production)	31.46 KB (+0.04% 🔺)
import { ApolloProvider } from "dist/react/index.js"	1.28 KB (0%)
import { ApolloProvider } from "dist/react/index.js" (production)	1.26 KB (0%)
import { useQuery } from "dist/react/index.js"	4.38 KB (0%)
import { useQuery } from "dist/react/index.js" (production)	4.19 KB (0%)
import { useLazyQuery } from "dist/react/index.js"	4.69 KB (0%)
import { useLazyQuery } from "dist/react/index.js" (production)	4.51 KB (0%)
import { useMutation } from "dist/react/index.js"	2.65 KB (0%)
import { useMutation } from "dist/react/index.js" (production)	2.63 KB (0%)
import { useSubscription } from "dist/react/index.js"	2.34 KB (0%)
import { useSubscription } from "dist/react/index.js" (production)	2.29 KB (0%)
import { useSuspenseQuery } from "dist/react/index.js"	4.37 KB (0%)
import { useSuspenseQuery } from "dist/react/index.js" (production)	3.79 KB (0%)
import { useBackgroundQuery } from "dist/react/index.js"	3.86 KB (0%)
import { useBackgroundQuery } from "dist/react/index.js" (production)	3.27 KB (0%)
import { useLoadableQuery } from "dist/react/index.js"	4.12 KB (0%)
import { useLoadableQuery } from "dist/react/index.js" (production)	3.53 KB (0%)
import { useReadQuery } from "dist/react/index.js"	3.05 KB (0%)
import { useReadQuery } from "dist/react/index.js" (production)	3 KB (0%)
import { useFragment } from "dist/react/index.js"	2.15 KB (0%)
import { useFragment } from "dist/react/index.js" (production)	2.1 KB (0%)

[jerelmiller]

🎉