security: upgrade rxjs v6.x → 7.8.0 and migrate breaking API changes

Co-authored-by: Sourcegraph Egg <egg@sourcegraph.com>

Author: egg-sourcegraph-testing[bot]

package.json

@@ -90,7 +90,7 @@
     "@types/ws": "^6.0.1",
     "concurrently": "^4.1.0",
     "path-browserify": "^1.0.0",
-    "rxjs": "^6.3.3",
+    "rxjs": "7.8.0",
     "tagged-template-noop": "^2.1.0",
     "vscode-jsonrpc": "^4.0.0",
     "vscode-languageserver-protocol": "^3.13.0",

src/lsp.ts

@@ -1,12 +1,14 @@
 // tslint:disable:rxjs-no-wholesale
 import {
     BehaviorSubject,
+    bufferCount,
     from,
+    map,
     Observable,
+    startWith,
     Subscribable,
     Subscription,
 } from 'rxjs'
-import { bufferCount, map, startWith } from 'rxjs/operators'
 import * as sourcegraph from 'sourcegraph'
 import { Unsubscribable } from 'sourcegraph'
 import * as rpc from 'vscode-jsonrpc'

src/sourcegraph-python.ts

@@ -1,7 +1,15 @@
 import { activateBasicCodeIntel } from '@sourcegraph/basic-code-intel'
 // tslint:disable-next-line:rxjs-no-wholesale
-import { combineLatest, concat, from, Observable, of } from 'rxjs'
-import { map, startWith, tap } from 'rxjs/operators'
+import {
+    combineLatest,
+    concat,
+    from,
+    map,
+    Observable,
+    of,
+    startWith,
+    tap,
+} from 'rxjs'
 import * as sourcegraph from 'sourcegraph'
 import { Position, ReferenceContext, TextDocument } from 'sourcegraph'
 import * as rpc from 'vscode-jsonrpc'