Bump swiper from 6.4.14 to 6.4.15

Bumps [swiper](https://github.com/nolimits4web/Swiper) from 6.4.14 to 6.4.15.
- [Release notes](https://github.com/nolimits4web/Swiper/releases)
- [Changelog](https://github.com/nolimits4web/swiper/blob/master/CHANGELOG.md)
- [Commits](nolimits4web/swiper@v6.4.14...v6.4.15)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -21,7 +21,7 @@
     "core-js": "^3.8.3",
     "graphql-tag": "^2.11.0",
     "nuxt": "^2.15.0",
-    "swiper": "^6.4.14",
+    "swiper": "^6.4.15",
     "tailwindcss": "2.0.3",
     "uid": "^2.0.0",
     "vue": "^2.6.12",