Chore: Other Dependencies

[aphelionz]

This PR:

• Updates datastore-level to ^5.0.1
• Removes yargs and ipld-dag-pb
• Updates mocha to ^8.4.0

The following are not updated due to the use of module syntax:

p-do-whilst                                 1.1.0    1.1.0   2.0.0  ipfs-log
p-each-series                               2.2.0    2.2.0   3.0.0  ipfs-log
p-map                                       4.0.0    4.0.0   5.0.0  ipfs-log
p-whilst                                    2.1.0    2.1.0   3.0.0  ipfs-log

The following are not updated due to the use of webpack 4:

webpack                                    4.44.2   4.44.2  5.37.1  ipfs-log
webpack-cli                                3.3.12   3.3.12   4.7.0  ipfs-log
@babel/cli                                7.12.17  7.12.17  7.14.3  ipfs-log
@babel/core                               7.12.17  7.12.17  7.14.3  ipfs-log
@babel/plugin-transform-modules-commonjs  7.12.13  7.12.13  7.14.0  ipfs-log
@babel/plugin-transform-runtime           7.12.17  7.12.17  7.14.3  ipfs-log
@babel/preset-env                         7.12.17  7.12.17  7.14.2  ipfs-log
@babel/runtime                            7.12.18  7.12.18  7.14.0  ipfs-log