Update dependency tslib to v2.6.3

Author: renovate[bot]

package.json

@@ -29,7 +29,7 @@
     "rollup": "2.33.1",
     "rollup-plugin-chrome-extension": "3.4.0",
     "rollup-plugin-empty-dir": "1.0.4",
-    "tslib": "2.0.3",
+    "tslib": "2.6.3",
     "typescript": "4.0.5"
   }
 }

yarn.lock

@@ -1724,10 +1724,10 @@ to-regex-range@^5.0.1:
   dependencies:
     is-number "^7.0.0"
 
-tslib@2.0.3:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.0.3.tgz#8e0741ac45fc0c226e58a17bfc3e64b9bc6ca61c"
-  integrity sha512-uZtkfKblCEQtZKBF6EBXVZeQNl82yqtDQdv+eck8u7tdPxjLu2/lp5/uPW+um2tpuxINHWy3GhiccY7QgEaVHQ==
+tslib@2.6.3:
+  version "2.6.3"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.6.3.tgz#0438f810ad7a9edcde7a241c3d80db693c8cbfe0"
+  integrity sha512-xNvxJEOUiWPGhUuUdQgAJPKOOJfGnIyKySOc09XkKsgdUV/3E2zvwZYdejjmRgPCgcym1juLH3226yA7sEFJKQ==
 
 tslib@^1.8.1:
   version "1.13.0"