test: split eslint e2e

[BioPhoton]

Preconditions:

• test: split coverage e2e #872

This PR moves all plugin-eslint related e2e tests into a separate project and uses a new project eslint-e2e-env to maintain the static files

[github-actions]

Code PushUp

🤨 Code PushUp report has both improvements and regressions – compared target commit a8e5543 with source commit 3fecae9.

🕵️ See full comparison in Code PushUp portal 🔍

🏷️ Categories

🏷️ Category	⭐ Previous score	⭐ Current score	🔄 Score change
Performance	🟡 51	🔴 36
Custom checks	🟡 67	🟡 67	–
Code coverage	🟡 90	🟡 90	–
Security	🟡 73	🟡 73	–
Updates	🟡 76	🟡 76	–
Accessibility	🟢 91	🟢 91	–
Best Practices	🟢 100	🟢 100	–
SEO	🟡 61	🟡 61	–
Bug prevention	🟢 100	🟢 100	–
Code style	🟢 100	🟢 100	–

👎 1 group regressed, 👍 1 audit improved, 👎 4 audits regressed, 12 audits changed without impacting score

🗃️ Groups

🔌 Plugin	🗃️ Group	⭐ Previous score	⭐ Current score	🔄 Score change
Lighthouse	Performance	🟡 51	🔴 36

19 other groups are unchanged.

🛡️ Audits

🔌 Plugin	🛡️ Audit	📏 Previous value	📏 Current value	🔄 Value change
Lighthouse	Reduce unused CSS	🟥 Potential savings of 82 KiB	🟨 Potential savings of 82 KiB
Lighthouse	Largest Contentful Paint	🟨 3.4 s	🟥 5.0 s
Lighthouse	First Contentful Paint	🟨 2.8 s	🟥 4.1 s
Lighthouse	Speed Index	🟥 6.5 s	🟥 8.3 s
Lighthouse	Time to Interactive	🟥 16.1 s	🟥 17.0 s
Lighthouse	Minimizes main-thread work	🟥 17.3 s	🟥 22.8 s
Lighthouse	Total Blocking Time	🟥 5,690 ms	🟥 10,970 ms
Lighthouse	Avoids enormous network payloads	🟩 Total size was 1,821 KiB	🟩 Total size was 1,825 KiB
Lighthouse	JavaScript execution time	🟥 10.3 s	🟥 12.5 s
Lighthouse	Eliminate render-blocking resources	🟥 Potential savings of 1,030 ms	🟥 Potential savings of 60 ms
Lighthouse	Metrics	🟩 100%	🟩 100%
Lighthouse	Uses efficient cache policy on static assets	🟨 28 resources found	🟨 28 resources found
Lighthouse	Max Potential First Input Delay	🟥 2,810 ms	🟥 3,160 ms
Lighthouse	Network Round Trip Times	🟩 30 ms	🟩 140 ms
Lighthouse	Server Backend Latencies	🟩 230 ms	🟩 150 ms
Lighthouse	Initial server response time was short	🟩 Root document took 380 ms	🟩 Root document took 410 ms
Lighthouse	Avoids an excessive DOM size	🟥 2,250 elements	🟥 2,249 elements

496 other audits are unchanged.