Updated Fuzzer dependencies and added them to Dependabot

[Razican]

This updates the fuzzer dependencies, adds them to Dependabot, and I also enhanced a couple of import syntaxes.

[github-actions]

Test262 conformance changes

Test result	main count	PR count	difference
Total	94,858	94,858	0
Passed	74,724	74,724	0
Ignored	18,828	18,828	0
Failed	1,306	1,306	0
Panics	0	0	0
Conformance	78.77%	78.77%	0.00%

[codecov]

Codecov Report

Merging #3124 (12fc5f9) into main (fe9c8d9) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #3124   +/-   ##
=======================================
  Coverage   50.65%   50.65%           
=======================================
  Files         444      444           
  Lines       42661    42661           
=======================================
  Hits        21608    21608           
  Misses      21053    21053           

Impacted Files	Coverage Δ
fuzz/fuzz_targets/common.rs	0.00% <ø> (ø)