revert(Apollo): Update to Apollo v3 and GraphQL v15

[nilgradisnik]

Reverts #413

This should've been a major release not a patch release. I was under the impression that PR title would pick up the release keyword. Reverting to publish another patch update. cc @alecklandgraf

[airbnb-bot]

Size Changes

Package	Diff	ESM	Prev ESM	CJS	Prev CJS
apollo	-1.0%	10.58 KB	10.69 KB	13.82 KB	13.42 KB

Compared to master. File sizes are unminified and ungzipped.

View raw build stats

Previous (master)

{
  "apollo": {
    "esm": 10946,
    "lib": 13746
  },
  "app-shell": {
    "esm": 12906,
    "lib": 19874
  },
  "composer": {
    "esm": 68247,
    "lib": 101805
  },
  "core": {
    "esm": 584567,
    "lib": 733164
  },
  "forms": {
    "esm": 37350,
    "lib": 49298
  },
  "icons": {
    "esm": 156355,
    "lib": 205626
  },
  "layouts": {
    "esm": 15298,
    "lib": 20770
  },
  "metrics": {
    "esm": 5467,
    "lib": 7729
  },
  "test-utils": {
    "esm": 4279,
    "lib": 5937
  }
}

Current

{
  "apollo": {
    "esm": 10832,
    "lib": 14147
  },
  "app-shell": {
    "esm": 12906,
    "lib": 19874
  },
  "composer": {
    "esm": 68247,
    "lib": 101805
  },
  "core": {
    "esm": 584567,
    "lib": 733164
  },
  "forms": {
    "esm": 37350,
    "lib": 49298
  },
  "icons": {
    "esm": 156355,
    "lib": 205626
  },
  "layouts": {
    "esm": 15298,
    "lib": 20770
  },
  "metrics": {
    "esm": 5467,
    "lib": 7729
  },
  "test-utils": {
    "esm": 4279,
    "lib": 5937
  }
}