feat: update to Crawlee v0.6

[vdusek]

I use "feat", I believe it is correct to release this as minor version (not patch).

[Pijukatel]

I guess you will need to either add

    ignored_env_vars = {
        ApifyEnvVars.XVFB,
        ApifyEnvVars.CHROME_EXECUTABLE_PATH
...

to test_get_env_with_randomized_env_vars

or remove those variables from apify-shared (probably not)

[vdusek]

I removed them from the apify-shared and released a new version (it's used only here and in client).