build(deps): bump github.com/aws/aws-sdk-go from 1.44.273 to 1.44.308

Bumps [github.com/aws/aws-sdk-go](https://github.com/aws/aws-sdk-go) from 1.44.273 to 1.44.308.
- [Release notes](https://github.com/aws/aws-sdk-go/releases)
- [Commits](aws/aws-sdk-go@v1.44.273...v1.44.308)

---
updated-dependencies:
- dependency-name: github.com/aws/aws-sdk-go
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

go.mod

@@ -1,7 +1,7 @@
 module github.com/cloudnativelabs/kube-router
 
 require (
-	github.com/aws/aws-sdk-go v1.44.273
+	github.com/aws/aws-sdk-go v1.44.308
 	github.com/containernetworking/cni v1.1.2
 	github.com/containernetworking/plugins v1.3.0
 	github.com/coreos/go-iptables v0.6.0

go.sum

@@ -45,8 +45,8 @@ github.com/PuerkitoBio/purell v1.1.1 h1:WEQqlqaGbrPkxLJWfBwQmfEAE1Z7ONdDLqrN38tN
 github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
 github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 h1:d+Bc7a5rLufV/sSk/8dngufqelfh6jnri85riMAaF/M=
 github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
-github.com/aws/aws-sdk-go v1.44.273 h1:CX8O0gK+cGrgUyv7bgJ6QQP9mQg7u5mweHdNzULH47c=
-github.com/aws/aws-sdk-go v1.44.273/go.mod h1:aVsgQcEevwlmQ7qHE9I3h+dtQgpqhFB+i8Phjh7fkwI=
+github.com/aws/aws-sdk-go v1.44.308 h1:XKu+76UHsD5LaiU2Zb1q42uWakw80Az7x39jJXXahos=
+github.com/aws/aws-sdk-go v1.44.308/go.mod h1:aVsgQcEevwlmQ7qHE9I3h+dtQgpqhFB+i8Phjh7fkwI=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=