chore(deps-dev): bump vue-loader from 15.7.1 to 15.9.8

Bumps [vue-loader](https://github.com/vuejs/vue-loader) from 15.7.1 to 15.9.8.
- [Release notes](https://github.com/vuejs/vue-loader/releases)
- [Changelog](https://github.com/vuejs/vue-loader/blob/master/CHANGELOG.md)
- [Commits](vuejs/vue-loader@v15.7.1...v15.9.8)

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

yarn.lock

@@ -1858,19 +1858,20 @@
     "@vue/babel-plugin-transform-vue-jsx" "^1.0.0"
     camelcase "^5.0.0"
 
-"@vue/component-compiler-utils@^3.0.0":
-  version "3.0.0"
-  resolved "https://registry.npmjs.org/@vue/component-compiler-utils/-/component-compiler-utils-3.0.0.tgz#d16fa26b836c06df5baaeb45f3d80afc47e35634"
+"@vue/component-compiler-utils@^3.1.0":
+  version "3.2.2"
+  resolved "https://registry.yarnpkg.com/@vue/component-compiler-utils/-/component-compiler-utils-3.2.2.tgz#2f7ed5feed82ff7f0284acc11d525ee7eff22460"
   dependencies:
     consolidate "^0.15.1"
     hash-sum "^1.0.2"
     lru-cache "^4.1.2"
     merge-source-map "^1.1.0"
-    postcss "^7.0.14"
-    postcss-selector-parser "^5.0.0"
-    prettier "1.16.3"
+    postcss "^7.0.36"
+    postcss-selector-parser "^6.0.2"
     source-map "~0.6.1"
     vue-template-es2015-compiler "^1.9.0"
+  optionalDependencies:
+    prettier "^1.18.2"
 
 "@vue/composition-api@^0.3.2":
   version "0.3.2"
@@ -3762,10 +3763,6 @@ css-what@2.1:
   version "2.1.3"
   resolved "https://registry.npmjs.org/css-what/-/css-what-2.1.3.tgz#a6d7604573365fe74686c3f311c56513d88285f2"
 
-cssesc@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.npmjs.org/cssesc/-/cssesc-2.0.0.tgz#3b13bd1bb1cb36e1bcb5a4dcd27f54c5dcb35703"
-
 cssesc@^3.0.0:
   version "3.0.0"
   resolved "https://registry.npmjs.org/cssesc/-/cssesc-3.0.0.tgz#37741919903b868565e1c09ea747445cd18983ee"
@@ -8618,14 +8615,6 @@ postcss-modules-values@^3.0.0:
     icss-utils "^4.0.0"
     postcss "^7.0.6"
 
-postcss-selector-parser@^5.0.0:
-  version "5.0.0"
-  resolved "https://registry.npmjs.org/postcss-selector-parser/-/postcss-selector-parser-5.0.0.tgz#249044356697b33b64f1a8f7c80922dddee7195c"
-  dependencies:
-    cssesc "^2.0.0"
-    indexes-of "^1.0.1"
-    uniq "^1.0.1"
-
 postcss-selector-parser@^6.0.0, postcss-selector-parser@^6.0.2:
   version "6.0.2"
   resolved "https://registry.npmjs.org/postcss-selector-parser/-/postcss-selector-parser-6.0.2.tgz#934cf799d016c83411859e09dcecade01286ec5c"
@@ -8646,6 +8635,14 @@ postcss@^7.0.0, postcss@^7.0.14, postcss@^7.0.16, postcss@^7.0.17, postcss@^7.0.
     source-map "^0.6.1"
     supports-color "^6.1.0"
 
+postcss@^7.0.36:
+  version "7.0.36"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.36.tgz#056f8cffa939662a8f5905950c07d5285644dfcb"
+  dependencies:
+    chalk "^2.4.2"
+    source-map "^0.6.1"
+    supports-color "^6.1.0"
+
 prelude-ls@~1.1.2:
   version "1.1.2"
   resolved "https://registry.npmjs.org/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
@@ -8658,14 +8655,14 @@ prepend-http@^2.0.0:
   version "2.0.0"
   resolved "https://registry.npmjs.org/prepend-http/-/prepend-http-2.0.0.tgz#e92434bfa5ea8c19f41cdfd401d741a3c819d897"
 
-prettier@1.16.3:
-  version "1.16.3"
-  resolved "https://registry.npmjs.org/prettier/-/prettier-1.16.3.tgz#8c62168453badef702f34b45b6ee899574a6a65d"
-
 prettier@^1.14.3:
   version "1.18.2"
   resolved "https://registry.npmjs.org/prettier/-/prettier-1.18.2.tgz#6823e7c5900017b4bd3acf46fe9ac4b4d7bda9ea"
 
+prettier@^1.18.2:
+  version "1.19.1"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.19.1.tgz#f7d7f5ff8a9cd872a7be4ca142095956a60797cb"
+
 pretty-error@^2.1.1:
   version "2.1.1"
   resolved "https://registry.npmjs.org/pretty-error/-/pretty-error-2.1.1.tgz#5f4f87c8f91e5ae3f3ba87ab4cf5e03b1a17f1a3"
@@ -11141,10 +11138,10 @@ vue-hot-reload-api@^2.3.0:
   resolved "https://registry.npmjs.org/vue-hot-reload-api/-/vue-hot-reload-api-2.3.4.tgz#532955cc1eb208a3d990b3a9f9a70574657e08f2"
 
 vue-loader@^15.7.1:
-  version "15.7.1"
-  resolved "https://registry.npmjs.org/vue-loader/-/vue-loader-15.7.1.tgz#6ccacd4122aa80f69baaac08ff295a62e3aefcfd"
+  version "15.9.8"
+  resolved "https://registry.yarnpkg.com/vue-loader/-/vue-loader-15.9.8.tgz#4b0f602afaf66a996be1e534fb9609dc4ab10e61"
   dependencies:
-    "@vue/component-compiler-utils" "^3.0.0"
+    "@vue/component-compiler-utils" "^3.1.0"
     hash-sum "^1.0.2"
     loader-utils "^1.1.0"
     vue-hot-reload-api "^2.3.0"