build(deps): Bump dependencies (#1293)

Update build dependencies as suggested by dependabot in the following
automated PRs:

- build(deps): bump crossbeam-deque from 0.7.3 to 0.7.4 #1289
- build(deps): bump generic-array from 0.12.3 to 0.12.4 #1290
- build(deps): bump openssl-src from 111.13.0+1.1.1i to 111.20.0+1.1.1o #1291
- build(deps): bump hyper from 0.14.2 to 0.14.4 #1292