cifuzz: Update upload action to v4

[cartoush]

V1 and V2 of the upload-artifact action are now deprecated, this PR sets it to V4

[dridi]

The error logs I'm seeing look completely harmless:

2024-09-12 12:16:33,573 - root - DEBUG - Stderr of command "docker rmi -f gcr.io/oss-fuzz/varnish gcr.io/oss-fuzz-base/base-builder gcr.io/oss-fuzz-base/base-builder-go gcr.io/oss-fuzz-base/base-builder-javascript gcr.io/oss-fuzz-base/base-builder-jvm gcr.io/oss-fuzz-base/base-builder-python gcr.io/oss-fuzz-base/base-builder-rust gcr.io/oss-fuzz-base/base-builder-ruby gcr.io/oss-fuzz-base/base-builder-swift" is: Error: No such image: gcr.io/oss-fuzz-base/base-builder
Error: No such image: gcr.io/oss-fuzz-base/base-builder-go
Error: No such image: gcr.io/oss-fuzz-base/base-builder-javascript
Error: No such image: gcr.io/oss-fuzz-base/base-builder-jvm
Error: No such image: gcr.io/oss-fuzz-base/base-builder-python
Error: No such image: gcr.io/oss-fuzz-base/base-builder-rust
Error: No such image: gcr.io/oss-fuzz-base/base-builder-ruby
Error: No such image: gcr.io/oss-fuzz-base/base-builder-swift
.

[dridi]

I'm going to merge this now, and the only failure left in circleci is a use-after-free being investigated by @walid-git.

[dridi]

For reference, with 168ebab our CI here should be back to passing all jobs.