envoy: Update to 1.13.3
envoy: Update to 1.13.3

This fixes the following CVEs for the Envoy version 1.13.x:

- CVE-2020-12603 (CVSS score 7.0, High): Envoy through 1.14.2 may consume excessive amounts of memory when proxying HTTP/2 requests or responses with many small (e.g., 1 byte) data frames.

- CVE-2020-12605 (CVSS score 7.0, High): Envoy through 1.14.2 may consume excessive amounts of memory when processing HTTP/1.1 headers with long field names or requests with long URLs.

- CVE-2020-8663 (CVSS score 7.0, High): Envoy version 1.14.2 or earlier may exhaust file descriptors and/or memory when accepting too many connections.

- CVE-2020-12604 (CVSS score 5.3, Medium): Envoy through 1.14.2 is susceptible to increased memory usage in the case where an HTTP/2 client requests a large payload but does not send enough window updates to consume the entire stream and does not reset the stream. The attacker can cause data associated with many streams to be buffered forever.

Signed-off-by: Jarno Rajahalme <0f1ab0ac7dffd9db21aa539af2fd4bb04abc3ad4@covalent.io>
cilium/cilium,michi-covalent/cilium,michi-covalent/cilium,tgraf/cilium,tgraf/cilium,cilium/cilium,tgraf/cilium,tklauser/cilium,cilium-team/cilium,tklauser/cilium,cilium/cilium,tgraf/cilium,michi-covalent/cilium,tklauser/cilium,cilium-team/cilium,tklauser/cilium,tgraf/cilium,michi-covalent/cilium,tklauser/cilium,cilium/cilium,cilium/cilium,michi-covalent/cilium,tgraf/cilium