build(deps-dev): bump vue-template-compiler from 2.6.8 to 2.6.9

Bumps [vue-template-compiler](https://github.com/vuejs/vue) from 2.6.8 to 2.6.9.
- [Release notes](https://github.com/vuejs/vue/releases)
- [Commits](vuejs/vue@v2.6.8...v2.6.9)

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

Author: dependabot-support

yarn.lock

@@ -7466,9 +7466,9 @@ verror@1.10.0:
     extsprintf "^1.2.0"
 
 vue-template-compiler@^2.5.21:
-  version "2.6.8"
-  resolved "https://registry.yarnpkg.com/vue-template-compiler/-/vue-template-compiler-2.6.8.tgz#750802604595134775b9c53141b9850b35255e1c"
-  integrity sha512-SwWKANE5ee+oJg+dEJmsdxsxWYICPsNwk68+1AFjOS8l0O/Yz2845afuJtFqf3UjS/vXG7ECsPeHHEAD65Cjng==
+  version "2.6.9"
+  resolved "https://registry.yarnpkg.com/vue-template-compiler/-/vue-template-compiler-2.6.9.tgz#26600415ff81a7a241aebc2d4e0abaa0f1a07915"
+  integrity sha512-QgO0LSCdeH6zUMSgtqel+yDWsZWQPXiWBdFg9qzOhWfQL8vZ+ywinAzE04rm1XrWc+3SU0YAdWISlEgs/i8WWA==
   dependencies:
     de-indent "^1.0.2"
     he "^1.1.0"