fix(components): use relative paths for shared SCSS imports

Webpack-style ~ package imports fail in tsup when pnpm does not hoist
@events-helsinki/components to root node_modules.

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: mrTuomoK

packages/components/src/components/domain/event/eventInfo/eventInfo.module.scss

@@ -1,5 +1,5 @@
 @use '../../../../styles/breakpoints' as breakpoints;
-@use '~@events-helsinki/components/src/styles/helsinkiCityOwned';
+@use '../../../../styles/helsinkiCityOwned';
 
 .eventInfo {
   padding: 0;

packages/components/src/components/eventName/eventName.module.scss

@@ -1,4 +1,4 @@
-@use '~@events-helsinki/components/src/styles/helsinkiCityOwned';
+@use '../../styles/helsinkiCityOwned';
 
 .eventCancelled {
   color: var(--color-brick);