feat(attributes): Add remaining TTFB, FCP and FP web vital attributes

[Lms24]

This PR adds attributes for the remaining web vitals the JS SDK collects on the pageload span:

• browser.web_vital.ttfb.value (replaces now also added and deprecated ttfb attribute)
• browser.web_vital.ttfb.request_time (replaces added and deprecated ttfb.requestTime attribute)
• browser.web_vital.fcp.value (replaces added and deprecated fcp attribute)
• browser.web_vital.fp.value (replaces added and deprecated fp attribute)

[github-actions]

Semver Impact of This PR

🟡 Minor (new features)

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New Features ✨

Attributes

• Add remaining TTFB, FCP and FP web vital attributes by Lms24 in #235

• Add attribute gen_ai.response.time_to_first_token by constantinius in #227
• Add sentry.status_code attribute by mjq in #223
• Backfill db.system attribute by mjq in #224
• Add sentry.category attribute by mjq in #218
• Add sentry.normalized_db_query.hash by Ahmed-Labs in #200

Other

• (ai) Add input tokens cache write by shellmayr in #217
• (gen_ai) Add new Gen AI attributes by obostjancic in #221
• Add page listing all attributes by Lms24 in #207

Bug Fixes 🐛

Attributes

• Migrating several numeric fields to pii=maybe by constantinius in #228
• Improve gen_ai.operation.name description by obostjancic in #225

Internal Changes 🔧

Attributes

• Update sentry.span.source with known values by Lms24 in #214
• Add legacy attribute definitions for transaction spans by Ahmed-Labs in #212
• Normalize deprecated db attribute names by Ahmed-Labs in #199

Deps Dev

• Bump tar from 7.5.3 to 7.5.4 by dependabot in #226
• Bump tar from 7.4.3 to 7.5.3 by dependabot in #220

Repo

• Add Claude Code settings with basic permissions by philipphofmann in #222
• Unstale yarn lock by Lms24 in #215

Other

• (ai) Remove gen_ai_usage_total_cost attribute by vgrozdanic in #206
• (lint) Don't lint Claude's config files by mjq in #219
• (release) Switch from action-prepare-release to Craft by BYK in #216
• Add statuses permission to Changelog Preview by lcian in #232

Other

• Add @getsentry/ingest to CODEOWNERS by cleptric in #236
• Update CODEOWNERS to change global ownership by cleptric in #230

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