build(deps): bump aws4 and @types/aws4

Bumps [aws4](https://github.com/mhart/aws4) and [@types/aws4](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/aws4). These dependencies needed to be updated together.

Updates `aws4` from 1.11.0 to 1.13.2
- [Release notes](https://github.com/mhart/aws4/releases)
- [Commits](mhart/aws4@v1.11.0...v1.13.2)

Updates `@types/aws4` from 1.5.2 to 1.11.6
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/aws4)

---
updated-dependencies:
- dependency-name: aws4
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: "@types/aws4"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

yarn.lock

@@ -7015,9 +7015,11 @@
   integrity sha512-iIgQNzCm0v7QMhhe4Jjn9uRh+I6GoPmt03CbEtwx3ao8/EfoQcmgtqH4vQ5Db/lxiIGaWDv6nwvunuh0RyX0+A==
 
 "@types/aws4@^1.5.1":
-  version "1.5.2"
-  resolved "https://registry.npmjs.org/@types/aws4/-/aws4-1.5.2.tgz#34e35b4405a619b9205be3e7678963bc7c8a47db"
-  integrity sha512-r8+XOv0BKw3Br0oU6w9cfu21PaQq/5ZeXvMOivNQYJLc9WcPCpEFDaQu72QNEQjYv5Otu48VhjjnbtwrSmk/rg==
+  version "1.11.6"
+  resolved "https://registry.npmjs.org/@types/aws4/-/aws4-1.11.6.tgz#164d36a10e8bb70727ffd90a7069a3f0316bef93"
+  integrity sha512-5CnVUkHNyLGpD9AnOcK66YyP0qvIh6nhJJoeK8zSl5YKikUcUbdB7SlHevUYVqicgeh6j5AJa1qa/h08dSZHoA==
+  dependencies:
+    "@types/node" "*"
 
 "@types/babel__core@^7.0.0", "@types/babel__core@^7.1.7":
   version "7.1.9"
@@ -9914,9 +9916,9 @@ aws-sign2@~0.7.0:
   integrity sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg=
 
 aws4@^1.11.0, aws4@^1.8.0:
-  version "1.11.0"
-  resolved "https://registry.npmjs.org/aws4/-/aws4-1.11.0.tgz#d61f46d83b2519250e2784daf5b09479a8b41c59"
-  integrity sha512-xh1Rl34h6Fi1DC2WWKfxUTVqRsNnr6LsKz2+hfwDxQJWmrx8+c7ylaqBMcHfl1U1r2dsifOvKX3LQuLNZ+XSvA==
+  version "1.13.2"
+  resolved "https://registry.npmjs.org/aws4/-/aws4-1.13.2.tgz#0aa167216965ac9474ccfa83892cfb6b3e1e52ef"
+  integrity sha512-lHe62zvbTB5eEABUVi/AwVh0ZKY9rMMDhmm+eeyuuUQbQ3+J+fONVQOZyj+DdrvD4BY33uYniyRJ4UJIaSKAfw==
 
 axe-core@^4.2.0:
   version "4.3.1"