test: skip tests that cause timeouts on IBM i

[sravani1510]

Similar to the tests timeouts that were skipped
in #59014, we also want to skip the
following test cases on IBMi-

Tests previously skipped and moved
from parallel to client-proxy:

• client-proxy.test-http-proxy-fetch
• client-proxy.test-https-proxy-fetch

Similar to #59014 (comment)
We have decided to skip these tests
until the underlying issue is resolved.

The tests being skipped are:

• client-proxy.test-use-env-proxy-cli-http
• client-proxy.test-use-env-proxy-cli-https
• parallel.test-http2-allow-http1-upgrade-ws
• parallel.test-inspector-network-websocket
• parallel.test-tls-set-default-ca-certificates-append-fetch
• parallel.test-tls-set-default-ca-certificates-reset-fetch

[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/69598/

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 88.53%. Comparing base (d52cd04) to head (bd0b742).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #60148   +/-   ##
=======================================
  Coverage   88.52%   88.53%           
=======================================
  Files         703      703           
  Lines      207997   207997           
  Branches    40024    40011   -13     
=======================================
+ Hits       184134   184143    +9     
+ Misses      15875    15863   -12     
- Partials     7988     7991    +3     

see 35 files with indirect coverage changes

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[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/69602/