Bump github.com/aws/aws-lambda-go from 1.41.0 to 1.43.0 in /function

Bumps [github.com/aws/aws-lambda-go](https://github.com/aws/aws-lambda-go) from 1.41.0 to 1.43.0.
- [Release notes](https://github.com/aws/aws-lambda-go/releases)
- [Commits](aws/aws-lambda-go@v1.41.0...v1.43.0)

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

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

function/go.mod

@@ -2,4 +2,4 @@ module github.com/jamesjj/cloudwatch-to-google-chat
 
 go 1.16
 
-require github.com/aws/aws-lambda-go v1.41.0
+require github.com/aws/aws-lambda-go v1.43.0

function/go.sum

@@ -1,5 +1,5 @@
-github.com/aws/aws-lambda-go v1.41.0 h1:l/5fyVb6Ud9uYd411xdHZzSf2n86TakxzpvIoz7l+3Y=
-github.com/aws/aws-lambda-go v1.41.0/go.mod h1:jwFe2KmMsHmffA1X2R09hH6lFzJQxzI8qK17ewzbQMM=
+github.com/aws/aws-lambda-go v1.43.0 h1:Tdu7SnMB5bD+CbdnSq1Dg4sM68vEuGIDcQFZ+IjUfx0=
+github.com/aws/aws-lambda-go v1.43.0/go.mod h1:dpMpZgvWx5vuQJfBt0zqBha60q7Dd7RfgJv23DymV8A=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=