test: split eslint e2e

[BioPhoton]

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 ea4cf71 with source commit 7e6c29d.

🕵️ See full comparison in Code PushUp portal 🔍

🏷️ Categories

🏷️ Category	⭐ Previous score	⭐ Current score	🔄 Score change
Security	🟡 88	🟡 73
Performance	🟡 54	🟡 56
Custom checks	🟡 67	🟡 67	–
Code coverage	🟡 90	🟡 90	–
Updates	🟡 76	🟡 76	–
Accessibility	🟢 91	🟢 91	–
Best Practices	🟢 100	🟢 100	–
SEO	🟡 61	🟡 61	–
Bug prevention	🟢 100	🟢 100	–
Code style	🟢 100	🟢 100	–

👍 1 group improved, 👎 1 group regressed, 👍 2 audits improved, 👎 3 audits regressed, 16 audits changed without impacting score

🗃️ Groups

🔌 Plugin	🗃️ Group	⭐ Previous score	⭐ Current score	🔄 Score change
JS Packages	NPM audit	🟡 88	🟡 73
Lighthouse	Performance	🟡 54	🟡 56

18 other groups are unchanged.

🛡️ Audits

🔌 Plugin	🛡️ Audit	📏 Previous value	📏 Current value	🔄 Value change
JS Packages	Vulnerabilities for NPM dev dependencies.	🟨 22 vulnerabilities (22 low)	🟥 26 vulnerabilities (4 high, 22 low)
Lighthouse	Speed Index	🟥 6.8 s	🟨 5.6 s
JS Packages	Vulnerabilities for NPM prod dependencies.	🟩 3 vulnerabilities (3 low)	🟨 4 vulnerabilities (1 high, 3 low)
Lighthouse	First Contentful Paint	🟨 2.8 s	🟨 2.6 s
Lighthouse	Time to Interactive	🟥 14.6 s	🟥 16.0 s
Lighthouse	Uses efficient cache policy on static assets	🟨 27 resources found	🟨 28 resources found
Lighthouse	Total Blocking Time	🟥 4,740 ms	🟥 7,610 ms
Lighthouse	Avoids enormous network payloads	🟩 Total size was 1,820 KiB	🟩 Total size was 1,823 KiB
Lighthouse	JavaScript execution time	🟥 9.5 s	🟥 11.1 s
Lighthouse	Metrics	🟩 100%	🟩 100%
Lighthouse	Minimizes main-thread work	🟥 19.0 s	🟥 19.9 s
Lighthouse	Eliminate render-blocking resources	🟥 Potential savings of 710 ms	🟥 Potential savings of 1,120 ms
Lighthouse	Initial server response time was short	🟩 Root document took 500 ms	🟩 Root document took 300 ms
Lighthouse	Reduce unused CSS	🟥 Potential savings of 72 KiB	🟥 Potential savings of 82 KiB
Lighthouse	Max Potential First Input Delay	🟥 2,740 ms	🟥 2,830 ms
Lighthouse	Server Backend Latencies	🟩 250 ms	🟩 160 ms
Lighthouse	Network Round Trip Times	🟩 80 ms	🟩 20 ms
Lighthouse	Largest Contentful Paint	🟨 3.0 s	🟨 3.0 s
Lighthouse	Avoids an excessive DOM size	🟥 2,243 elements	🟥 2,245 elements
JS Packages	Outdated NPM prod dependencies.	🟨 8 outdated package versions (5 major, 1 minor, 2 patch)	🟨 9 outdated package versions (5 major, 1 minor, 3 patch)
JS Packages	Outdated NPM dev dependencies.	🟨 40 outdated package versions (26 major, 10 minor, 3 patch, 1 prerelease)	🟨 41 outdated package versions (26 major, 11 minor, 4 patch)

492 other audits are unchanged.