chore(deps-dev): bump @vuepress/plugin-pwa from 1.4.1 to 1.5.0

Bumps [@vuepress/plugin-pwa](https://github.com/vuejs/vuepress/tree/HEAD/packages/@vuepress/plugin-pwa) from 1.4.1 to 1.5.0.
- [Release notes](https://github.com/vuejs/vuepress/releases)
- [Changelog](https://github.com/vuejs/vuepress/blob/master/CHANGELOG.md)
- [Commits](https://github.com/vuejs/vuepress/commits/v1.5.0/packages/@vuepress/plugin-pwa)

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

package.json

@@ -41,7 +41,7 @@
         "@babel/preset-env": "^7.4.5",
         "@vuepress/plugin-back-to-top": "1.5.0",
         "@vuepress/plugin-google-analytics": "1.4.1",
-        "@vuepress/plugin-pwa": "1.4.1",
+        "@vuepress/plugin-pwa": "1.5.0",
         "art-template": "4.13.2",
         "art-template-loader": "1.4.3",
         "autoprefixer": "^9.6.1",

yarn.lock

@@ -1126,12 +1126,12 @@
   dependencies:
     nprogress "^0.2.0"
 
-"@vuepress/plugin-pwa@1.4.1":
-  version "1.4.1"
-  resolved "https://registry.yarnpkg.com/@vuepress/plugin-pwa/-/plugin-pwa-1.4.1.tgz#febe16bcdc3543d5118aab3a90110b54e651ac40"
-  integrity sha512-oWlBuC9cquuuuCUBGVbZQFJARq3mVUnuFtD4Wkwjm937kTwC+GbxfS7tSVAMgjdDM2JiyB6HSVKwqFmtwHipaA==
+"@vuepress/plugin-pwa@1.5.0":
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/@vuepress/plugin-pwa/-/plugin-pwa-1.5.0.tgz#700ac453e1f670a662af2fbc6455b3e98488843d"
+  integrity sha512-u/LA53+HPSipcSqqut4+yUzoNUeEPiY9ZR6A1JWe6BrFl6Ec/GNHvy6h2IFdoVgMcU7A3keVEjOcFoNKUIkVEQ==
   dependencies:
-    "@vuepress/shared-utils" "1.4.1"
+    "@vuepress/shared-utils" "1.5.0"
     register-service-worker "^1.7.0"
     workbox-build "^4.3.1"
 
@@ -1162,6 +1162,21 @@
     semver "^6.0.0"
     upath "^1.1.0"
 
+"@vuepress/shared-utils@1.5.0":
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/@vuepress/shared-utils/-/shared-utils-1.5.0.tgz#b8e1f6058199e03447630394f2ab66c6749ad0e3"
+  integrity sha512-YKMMuiODPmk09vGnXrpGFCuDIyltZSM4K3OUZoxViZWiYhWxbBS7YY6CVScrcQxG59rk+OPXQb1mP/ItIvOEow==
+  dependencies:
+    chalk "^2.3.2"
+    diacritics "^1.3.0"
+    escape-html "^1.0.3"
+    fs-extra "^7.0.1"
+    globby "^9.2.0"
+    gray-matter "^4.0.1"
+    hash-sum "^1.0.2"
+    semver "^6.0.0"
+    upath "^1.1.0"
+
 "@vuepress/theme-default@1.4.1":
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/@vuepress/theme-default/-/theme-default-1.4.1.tgz#8a0ddc51bee6f3c3b93fae059cac76fe63c51db3"