Bump workbox-strategies from 6.5.4 to 7.0.0

Bumps [workbox-strategies](https://github.com/googlechrome/workbox) from 6.5.4 to 7.0.0.
- [Release notes](https://github.com/googlechrome/workbox/releases)
- [Commits](https://github.com/googlechrome/workbox/compare/v6.5.4...v7.0.0)

---
updated-dependencies:
- dependency-name: workbox-strategies
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -52,7 +52,7 @@
     "workbox-expiration": "^7.0.0",
     "workbox-precaching": "^6.5.4",
     "workbox-routing": "^7.0.0",
-    "workbox-strategies": "^6.5.4"
+    "workbox-strategies": "^7.0.0"
   },
   "devDependencies": {
     "@shlinkio/eslint-config-js-coding-standard": "~2.2.0",