Bump ts-loader from 8.0.14 to 8.0.18

Bumps [ts-loader](https://github.com/TypeStrong/ts-loader) from 8.0.14 to 8.0.18.
- [Release notes](https://github.com/TypeStrong/ts-loader/releases)
- [Changelog](https://github.com/TypeStrong/ts-loader/blob/master/CHANGELOG.md)
- [Commits](TypeStrong/ts-loader@v8.0.14...v8.0.18)

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

package.json

@@ -30,7 +30,7 @@
     "laravel-mix": "^6.0.0",
     "prettier": "^2.2.1",
     "resolve-url-loader": "3.1.2",
-    "ts-loader": "^8.0.12",
+    "ts-loader": "^8.0.18",
     "typescript": "^4.1.3"
   }
 }

yarn.lock

@@ -7470,10 +7470,10 @@ toidentifier@1.0.0:
   resolved "https://registry.yarnpkg.com/toidentifier/-/toidentifier-1.0.0.tgz#7e1be3470f1e77948bc43d94a3c8f4d7752ba553"
   integrity sha512-yaOH/Pk/VEhBWWTlhI+qXxDFXlejDGcQipMlyxda9nthulaxLZUNcUqFxokp0vcYnvteJln5FNQDRrxj3YcbVw==
 
-ts-loader@^8.0.12:
-  version "8.0.14"
-  resolved "https://registry.yarnpkg.com/ts-loader/-/ts-loader-8.0.14.tgz#e46ac1f8dcb88808d0b1335d2eae65b74bd78fe8"
-  integrity sha512-Jt/hHlUnApOZjnSjTmZ+AbD5BGlQFx3f1D0nYuNKwz0JJnuDGHJas6az+FlWKwwRTu+26GXpv249A8UAnYUpqA==
+ts-loader@^8.0.18:
+  version "8.0.18"
+  resolved "https://registry.yarnpkg.com/ts-loader/-/ts-loader-8.0.18.tgz#b2385cbe81c34ad9f997915129cdde3ad92a61ea"
+  integrity sha512-hRZzkydPX30XkLaQwJTDcWDoxZHK6IrEMDQpNd7tgcakFruFkeUp/aY+9hBb7BUGb+ZWKI0jiOGMo0MckwzdDQ==
   dependencies:
     chalk "^4.1.0"
     enhanced-resolve "^4.0.0"