build(deps): bump postcss from 8.5.8 to 8.5.15

[dependabot]

Bumps postcss from 8.5.8 to 8.5.15.

Release notes

Sourced from postcss's releases.

8.5.15

• Fixed declaration parsing performance (by @​homanp).

8.5.14

• Fixed custom syntax regression (by @​43081j).

8.5.13

• Fixed postcss-scss commend regression.

8.5.12

• Fixed reading any file via user-generated CSS.
• Added opts.unsafeMap to disable checks.

8.5.11

• Fixed nested brackets parsing performance (by @​offset).

8.5.10

• Fixed XSS via unescaped </style> in non-bundler cases (by @​TharVid).

8.5.9

• Speed up source map encoding paring in case of the error.

Changelog

Sourced from postcss's changelog.

8.5.15

• Fixed declaration parsing performance (by @​homanp).

8.5.14

• Fixed custom syntax regression (by @​43081j).

8.5.13

• Fixed postcss-scss commend regression.

8.5.12

• Fixed reading any file via user-generated CSS.
• Added opts.unsafeMap to disable checks.

8.5.11

• Fixed nested brackets parsing performance (by @​offset).

8.5.10

• Fixed XSS via unescaped </style> in non-bundler cases (by @​TharVid).

8.5.9

• Speed up source map encoding paring in case of the error.

Commits

• eae46db Release 8.5.15 version
• 79508ff Update CI actions
• b128e21 Speed up declaration parsing by avoiding creating new array on each token
• 9825dca Fix code format
• 55789c8 Update dependencies
• 84fbbe9 Install older pnpm action for old Node.js
• 9f860bd Revert pnpm action for old Node.js
• 0877198 Update CI actions
• b2d1a33 Fix linter warnings
• 0700dac Merge pull request #2088 from rootvector2/add-oss-fuzz-harness
• Additional commits viewable in compare view

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[github-actions]

## 🔦 Lighthouse Benchmark

Tested: https://ks-dependabot-npm-and-yarn-postcs-docs.kestra-io.workers.dev on 2026-05-20 11:44 UTC
No baseline available — scores will appear after the first merge to main

Scores (0–100, higher is better)

Page	Performance	Accessibility	Best Practices	SEO
Home	75	82	56	92
Pricing	99	91	56	100
Enterprise	97	82	56	100
Cloud	91	86	56	100
About Us	86	91	56	100
Docs Landing	93	88	56	92
Contribute to Kestra (simple docs)	99	87	56	92
Flow (full featured docs)	93	90	56	92
Blog Index	65	90	56	100
Blog Post (sample)	92	87	56	100
VS Page (sample)	97	88	56	100
Plugins Landing	92	80	56	92
Plugin Page (sample)	96	87	56	100
Plugin Debug Page (sample)	95	87	56	100
Plugin Debug Return Page (sample)	94	87	59	100
Blueprints Landing	91	80	56	92
Blueprint Audit Logs CSV Export	69	86	56	100

Core Web Vitals (lower is better)

Page	LCP	FCP	TBT	CLS	Speed Index
Home	1.61 s	0.92 s	284 ms	0.002	2.83 s
Pricing	0.95 s	0.60 s	34 ms	0.000	0.86 s
Enterprise	1.23 s	0.64 s	9 ms	0.000	0.85 s
Cloud	1.92 s	0.57 s	12 ms	0.000	0.96 s
About Us	2.59 s	0.67 s	31 ms	0.000	0.80 s
Docs Landing	1.67 s	0.58 s	86 ms	0.002	0.85 s
Contribute to Kestra (simple docs)	0.92 s	0.56 s	8 ms	0.000	0.76 s
Flow (full featured docs)	1.40 s	0.60 s	112 ms	0.000	1.30 s
Blog Index	5.15 s	1.05 s	61 ms	0.000	42.90 s
Blog Post (sample)	1.87 s	0.58 s	8 ms	0.000	0.75 s
VS Page (sample)	1.05 s	0.60 s	7 ms	0.064	0.76 s
Plugins Landing	1.05 s	0.52 s	13 ms	0.000	2.62 s
Plugin Page (sample)	0.92 s	0.57 s	28 ms	0.051	1.67 s
Plugin Debug Page (sample)	0.91 s	0.59 s	89 ms	0.001	1.79 s
Plugin Debug Return Page (sample)	1.07 s	0.50 s	102 ms	0.025	1.92 s
Blueprints Landing	1.56 s	0.85 s	12 ms	0.000	1.70 s
Blueprint Audit Logs CSV Export	1.33 s	0.60 s	139 ms	0.485	2.11 s

Legend

🟢 improved  ·  🔻 regressed  ·  (blank) no significant change
Score threshold: ±10 pts  ·  Metric threshold: ±30% of baseline

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