chore(deps-dev): Bump @types/jest from 26.0.2 to 26.0.3 (#1171)

Bumps [@types/jest](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/jest) from 26.0.2 to 26.0.3.
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yarn.lock

@@ -2693,9 +2693,9 @@
     "@types/istanbul-lib-report" "*"
 
 "@types/jest@*", "@types/jest@^26.0.0":
-  version "26.0.2"
-  resolved "https://registry.yarnpkg.com/@types/jest/-/jest-26.0.2.tgz#536dbf34e8dcb41ba4f5b3eeb2cad4e6d28a39d9"
-  integrity sha512-rJB5DZm6q6kILGvQVxMRXOteoMjvA10UlGDf7+hM6pcMiWQiTgxaPXKC+kYCTAdBe9y33O+n3WZ8dzvBKOTSmA==
+  version "26.0.3"
+  resolved "https://registry.yarnpkg.com/@types/jest/-/jest-26.0.3.tgz#79534e0e94857171c0edc596db0ebe7cb7863251"
+  integrity sha512-v89ga1clpVL/Y1+YI0eIu1VMW+KU7Xl8PhylVtDKVWaSUHBHYPLXMQGBdrpHewaKoTvlXkksbYqPgz8b4cmRZg==
   dependencies:
     jest-diff "^25.2.1"
     pretty-format "^25.2.1"