fix(deps): bump tslib from 2.7.0 to 2.8.0

Bumps [tslib](https://github.com/Microsoft/tslib) from 2.7.0 to 2.8.0.
- [Release notes](https://github.com/Microsoft/tslib/releases)
- [Commits](microsoft/tslib@v2.7.0...v2.8.0)

---
updated-dependencies:
- dependency-name: tslib
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

package.json

@@ -14,7 +14,7 @@
   "dependencies": {
     "@salesforce/ts-types": "^2.0.12",
     "sinon": "^5.1.1",
-    "tslib": "^2.7.0"
+    "tslib": "^2.8.0"
   },
   "devDependencies": {
     "@salesforce/dev-scripts": "^10.2.10",

yarn.lock

@@ -4115,10 +4115,10 @@ tsconfig-paths@^3.15.0:
     minimist "^1.2.6"
     strip-bom "^3.0.0"
 
-tslib@^2.6.2, tslib@^2.7.0:
-  version "2.7.0"
-  resolved "https://registry.npmjs.org/tslib/-/tslib-2.7.0.tgz#d9b40c5c40ab59e8738f297df3087bf1a2690c01"
-  integrity sha512-gLXCKdN1/j47AiHiOkJN69hJmcbGTHI0ImLmbYLHykhgeN0jVGola9yVjFgzCUklsZQMW55o+dW7IXv3RCXDzA==
+tslib@^2.6.2, tslib@^2.8.0:
+  version "2.8.0"
+  resolved "https://registry.npmjs.org/tslib/-/tslib-2.8.0.tgz#d124c86c3c05a40a91e6fdea4021bd31d377971b"
+  integrity sha512-jWVzBLplnCmoaTr13V9dYbiQ99wvZRd0vNWaDRg+aVYRcjDF3nDksxFDE/+fkXnKhpnUUkmx5pK/v8mCtLVqZA==
 
 type-check@^0.4.0, type-check@~0.4.0:
   version "0.4.0"