chore(deps): update dependency tslint to v6

Author: renovate[bot]

package.json

@@ -146,7 +146,7 @@
     "source-map-support": "^0.5.12",
     "sourcegraph": "^25.7.0",
     "ts-node": "^8.10.2",
-    "tslint": "^5.20.1",
+    "tslint": "^6.1.3",
     "typescript": "^4.1.2",
     "vscode-languageserver-types": "^3.14.0"
   },

yarn.lock

@@ -4734,13 +4734,20 @@ mixin-deep@^1.2.0:
     for-in "^1.0.2"
     is-extendable "^1.0.1"
 
-[email protected], mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.1:
+[email protected]:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
   integrity sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=
   dependencies:
     minimist "0.0.8"
 
+mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@^0.5.3, mkdirp@~0.5.1:
+  version "0.5.6"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.6.tgz#7def03d2432dcae4ba1d611445c48396062255f6"
+  integrity sha512-FP+p8RB8OWpF3YZBCrP5gtADmtXApB5AMLn+vdyA+PyxCjrCs00mjyUozssO33cwDeT3wNGdLxJ5M//YqtHAJw==
+  dependencies:
+    minimist "^1.2.6"
+
 mocha@^6.1.4:
   version "6.1.4"
   resolved "https://registry.yarnpkg.com/mocha/-/mocha-6.1.4.tgz#e35fada242d5434a7e163d555c705f6875951640"
@@ -7204,10 +7211,10 @@ ts-node@^8.10.2:
     source-map-support "^0.5.17"
     yn "3.1.1"
 
-tslib@^1.8.0, tslib@^1.8.1, tslib@^1.9.0:
-  version "1.9.3"
-  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.9.3.tgz#d7e4dd79245d85428c4d7e4822a79917954ca286"
-  integrity sha512-4krF8scpejhaOgqzBEcGM7yDIEfi0/8+8zDRZhNZZ2kjmHJ4hv3zCbQWxoJGz1iw5U0Jl0nma13xzHXcncMavQ==
+tslib@^1.13.0, tslib@^1.8.0, tslib@^1.8.1, tslib@^1.9.0:
+  version "1.14.1"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.14.1.tgz#cf2d38bdc34a134bcaf1091c41f6619e2f672d00"
+  integrity sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg==
 
 tslint-config-prettier@^1.18.0:
   version "1.18.0"
@@ -7226,10 +7233,10 @@ tslint-react@^4.0.0:
   dependencies:
     tsutils "^3.9.1"
 
-tslint@^5.20.1:
-  version "5.20.1"
-  resolved "https://registry.yarnpkg.com/tslint/-/tslint-5.20.1.tgz#e401e8aeda0152bc44dd07e614034f3f80c67b7d"
-  integrity sha512-EcMxhzCFt8k+/UP5r8waCf/lzmeSyVlqxqMEDQE7rWYiQky8KpIBz1JAoYXfROHrPZ1XXd43q8yQnULOLiBRQg==
+tslint@^6.1.3:
+  version "6.1.3"
+  resolved "https://registry.yarnpkg.com/tslint/-/tslint-6.1.3.tgz#5c23b2eccc32487d5523bd3a470e9aa31789d904"
+  integrity sha512-IbR4nkT96EQOvKE2PW/djGz8iGNeJ4rF2mBfiYaR/nvUWYKJhLwimoJKgjIFEIDibBtOevj7BqCRL4oHeWWUCg==
   dependencies:
     "@babel/code-frame" "^7.0.0"
     builtin-modules "^1.1.1"
@@ -7239,10 +7246,10 @@ tslint@^5.20.1:
     glob "^7.1.1"
     js-yaml "^3.13.1"
     minimatch "^3.0.4"
-    mkdirp "^0.5.1"
+    mkdirp "^0.5.3"
     resolve "^1.3.2"
     semver "^5.3.0"
-    tslib "^1.8.0"
+    tslib "^1.13.0"
     tsutils "^2.29.0"
 
 tsutils-etc@^1.1.0: