Relace node-sass with dart-sass

Vue recommends using dart-sass as it implements updates before
node-sass. This should also resolve a dependency that node-sass has on
Python that is causing issues with the build process.

Signed-off-by: Derick Montague <derick.montague@ibm.com>
Change-Id: I71bf86f6f6ea15b866183bc0c00fabc72021238f
diff --git a/package-lock.json b/package-lock.json
index d8ac349..3073a3a 100644
--- a/package-lock.json
+++ b/package-lock.json
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