build(deps): bump github.com/envoyproxy/envoy

Bumps the examples-golang-http group in /golang-http/simple with 1 update: [github.com/envoyproxy/envoy](https://github.com/envoyproxy/envoy).


Updates `github.com/envoyproxy/envoy` from 1.31.1-0.20240821014141-c8f58b61c36d to 1.31.1
- [Release notes](https://github.com/envoyproxy/envoy/releases)
- [Changelog](https://github.com/envoyproxy/envoy/blob/main/RELEASES.md)
- [Commits](https://github.com/envoyproxy/envoy/commits/v1.31.1)

---
updated-dependencies:
- dependency-name: github.com/envoyproxy/envoy
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: examples-golang-http
...

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

golang-http/simple/go.mod

@@ -6,7 +6,7 @@ go 1.20
 // NOTICE: these lines could be generated automatically by "go mod tidy"
 require (
 	github.com/cncf/xds/go v0.0.0-20231128003011-0fa0005c9caa
-	github.com/envoyproxy/envoy v1.31.1-0.20240821014141-c8f58b61c36d
+	github.com/envoyproxy/envoy v1.31.1
 	google.golang.org/protobuf v1.34.2
 )
 

golang-http/simple/go.sum

@@ -1,7 +1,7 @@
 github.com/cncf/xds/go v0.0.0-20231128003011-0fa0005c9caa h1:jQCWAUqqlij9Pgj2i/PB79y4KOPYVyFYdROxgaCwdTQ=
 github.com/cncf/xds/go v0.0.0-20231128003011-0fa0005c9caa/go.mod h1:x/1Gn8zydmfq8dk6e9PdstVsDgu9RuyIIJqAaF//0IM=
-github.com/envoyproxy/envoy v1.31.1-0.20240821014141-c8f58b61c36d h1:YwwhqKB3CuEDpN2gjj8ed+ptgTgSP9EZ7mWe7WdLgMM=
-github.com/envoyproxy/envoy v1.31.1-0.20240821014141-c8f58b61c36d/go.mod h1:ujBFxE543X8OePZG+FbeR9LnpBxTLu64IAU7A20EB9A=
+github.com/envoyproxy/envoy v1.31.1 h1:PKP2wmXoFwcBn6T0RkhBpyfTMjNvM3regGCWVwAZa7A=
+github.com/envoyproxy/envoy v1.31.1/go.mod h1:ujBFxE543X8OePZG+FbeR9LnpBxTLu64IAU7A20EB9A=
 github.com/envoyproxy/protoc-gen-validate v1.0.2 h1:QkIBuU5k+x7/QXPvPPnWXWlCdaBFApVqftFV6k087DA=
 github.com/envoyproxy/protoc-gen-validate v1.0.2/go.mod h1:GpiZQP3dDbg4JouG/NNS7QWXpgx6x8QiMKdmN72jogE=
 github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=