feat: Implement BEM structure for Alert and Icon components

[deleonio]

• Added BEM class generation for the kol-alert component, defining elements and modifiers.
• Created a new bem.ts file for the kol-icon component to manage BEM class names.
• Updated shadow.tsx and Alert.tsx to utilize BEM class names for styling.
• Refactored Alert component to use dynamic BEM class names based on props.
• Adjusted SCSS mixins and styles to align with the new BEM structure.
• Updated snapshots to reflect changes in class names and structure.
• Introduced a script to generate SCSS files based on BEM definitions.
• Updated package dependencies to include typed-bem for BEM class generation.

Refs: #7778

The A11y and PO reviews will only take place after all other DoD steps have been completed by the Developer:

• Meaningful pull request title for the release notes
• Pull request is linked to an issue and all changes relate to the issue
• Tests to protect this code implemented (if applicable)
• Manual test performed successfully (if applicable)
• Documentation or migration has been updated (if applicable)

[github-actions]

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[github-actions]

Hydration Benchmark Report (vs Baseline)

📊 Top 5 Änderungen

Component	Current	Baseline	Δ%	Result
kol-heading	29ms	15ms	+93.3%	🔻
kol-toolbar	13ms	7ms	+85.7%	🔻
kol-breadcrumb	28ms	17ms	+64.7%	🔻
kol-card	28ms	17ms	+64.7%	🔻
kol-image	6ms	10ms	-40.0%	✅

📋 Alle Ergebnisse anzeigen

Component	Current	Baseline	Δ%	Result
kol-abbr	7ms	9ms	-22.2%	✅
kol-accordion	76ms	99ms	-23.2%	✅
kol-alert	30ms	23ms	+30.4%	🔻
kol-avatar	12ms	10ms	+20.0%	🔻
kol-badge	32ms	31ms	+3.2%	➖
kol-button	53ms	50ms	+6.0%	🔻
kol-button-link	55ms	51ms	+7.8%	🔻
kol-details	65ms	59ms	+10.2%	🔻
kol-drawer	12ms	12ms	0.0%	➖
kol-form	12ms	11ms	+9.1%	🔻
kol-icon	11ms	10ms	+10.0%	🔻
kol-input-checkbox	36ms	34ms	+5.9%	🔻
kol-input-color	34ms	34ms	0.0%	➖
kol-input-date	39ms	36ms	+8.3%	🔻
kol-input-email	37ms	41ms	-9.8%	✅
kol-input-file	64ms	65ms	-1.5%	➖
kol-input-number	32ms	33ms	-3.0%	➖
kol-input-password	32ms	33ms	-3.0%	➖
kol-input-radio	33ms	30ms	+10.0%	🔻
kol-input-text	38ms	44ms	-13.6%	✅
kol-link	56ms	45ms	+24.4%	🔻
kol-link-button	49ms	47ms	+4.3%	➖
kol-modal	8ms	6ms	+33.3%	🔻
kol-nav	11ms	11ms	0.0%	➖
kol-pagination	75ms	67ms	+11.9%	🔻
kol-popover-button	56ms	55ms	+1.8%	➖
kol-progress	8ms	9ms	-11.1%	✅
kol-quote	8ms	12ms	-33.3%	✅
kol-select	33ms	35ms	-5.7%	✅
kol-skip-nav	8ms	13ms	-38.5%	✅
kol-spin	6ms	9ms	-33.3%	✅
kol-split-button	58ms	57ms	+1.8%	➖
kol-table-stateful	82ms	79ms	+3.8%	➖
kol-table-stateless	86ms	80ms	+7.5%	🔻
kol-tabs	12ms	9ms	+33.3%	🔻
kol-textarea	31ms	29ms	+6.9%	🔻
kol-tree	11ms	10ms	+10.0%	🔻
kol-tree-item	60ms	48ms	+25.0%	🔻
kol-version	56ms	47ms	+19.1%	🔻