fix: deprecated @import sass rule

Author: orestbida

src/scss/core/_base.scss

@@ -1,5 +1,5 @@
-@import "./reset";
-@import "./global";
+@use "./reset";
+@use "./global" as *;
 
 /**
  * Global styles/variables

src/scss/core/components/_consent-modal.scss

@@ -1,4 +1,4 @@
-@import "../global";
+@use "../global" as *;
 
 $sections-padding-y: 1rem;
 $sections-padding-x: 1.3rem;

src/scss/core/components/_preferences-modal.scss

@@ -1,4 +1,4 @@
-@import "../global";
+@use "../global" as *;
 
 $padding-y: 1em;
 $padding-x: 1.4em;

src/scss/index.scss

@@ -1,5 +1,5 @@
-@import "./core/base";
-@import "./abstracts/light-color-scheme";
-@import "./abstracts/dark-color-scheme";
-@import "./core/components/consent-modal";
-@import "./core/components/preferences-modal";
+@use "./core/base";
+@use "./abstracts/light-color-scheme";
+@use "./abstracts/dark-color-scheme";
+@use "./core/components/consent-modal";
+@use "./core/components/preferences-modal";