Prepare for release v1.11.17

[jrajahalme]

Summary of Changes

Bugfixes:

• Filter ipv6 advertisements when using metallb as BGP speaker. (Backport PR v1.11 backports 2023-04-26 #25139, Upstream PR bgp: do not advertise ipv6 prefixes via metallb #25043, @harsimran-pabla)
• Fix connectivity issue if nodes share the same name across the clustermesh and wireguard is enabled (Backport PR v1.11 Backports 2023-04-20 #25011, Upstream PR Fix connectivity issue if nodes share the same name across the clustermesh and wireguard is enabled #24785, @giorio94)
• Fix incorrect network policy ebpf setup that may lead to incorrect packets denies when CEP is present in multiple CES (Backport PR Pr/v1.11 backport 2023 05 11 #25382, Upstream PR agent: Handle correctly state when CEP is present in multiple CESs #24838, @alan-kut)
• Fix spurious errors containing "Failed to map node IP address to allocated ID". (Backport PR Pr/v1.11 backport 2023 05 11 #25382, Upstream PR linux/node_id: do not attempt to map NoID #25222, @bimmlerd)
• helm chart: restore setting nodeSelector and tolerations on hubble-ui deployment via values.yaml ([v1.11] helm chart: v1.11 base : hubble-ui deployment : restore nodeSelector and tolerations #25182, @BryanStenson-okta)
• ipsec: Fix packet mark for FWD XFRM policy (Backport PR Pr/v1.11 backport 2023 05 11 #25382, Upstream PR ipsec: Fix packet mark for FWD XFRM policy #23254, @pchaigno)
• pkg/kvstore: Fix for deadlock in etcd status checker (Backport PR v1.11 Backports 2023-04-20 #25011, Upstream PR pkg/kvstore: Fix for deadlock in etcd status checker #24786, @hemanthmalla)

CI Changes:

• ci: remove STATUS commands from upstream tests' Jenkinsfile (Backport PR v1.11 backports 2023-04-26 #25139, Upstream PR ci: remove STATUS commands from upstream tests' Jenkinsfile #25046, @nbusseneau)
• Delete "Cilium monitor verbose mode" test (Backport PR Pr/v1.11 backport 2023 05 11 #25382, Upstream PR Delete "Cilium monitor verbose mode" test #25212, @michi-covalent)
• inctimer: fix test flake where timer does not fire within time. (Backport PR v1.11 Backports 2023-05-03 Cont #25349, Upstream PR inctimer: fix test flake where timer does not fire within time. #25219, @tommyp1ckles)
• jenkins: bump timeout to 210 minutes (jenkins: bump timeout to 210 minutes #24938, @aanm)
• vagrant: Bump 4.9 Vagrant box (Linux 4.9.326, to fix a kernel bug) (Backport PR [v1.11] vagrant: Bump 4.9 Vagrant box (Linux 4.9.326, to fix a kernel bug) #25247, Upstream PR vagrant: Bump 4.9 Vagrant box (Linux 4.9.326, to fix a kernel bug) #21106, @qmonnet)

Misc Changes:

• chore(deps): update hubble cli to v0.11.5 (v1.11) (patch) (chore(deps): update hubble cli to v0.11.5 (v1.11) (patch) #25127, @renovate[bot])
• daemon: Mark CES feature as beta in agent flag (Backport PR v1.11 Backports 2023-04-20 #25011, Upstream PR daemon: Mark CES feature as beta in agent flag #24850, @pchaigno)
• docs: Add matrix version between envoy and cilium (Backport PR v1.11 Backports 2023-05-03 Cont #25349, Upstream PR docs: Add matrix version between envoy and cilium #25109, @sayboras)
• docs: Add platform support to docs (Backport PR v1.11 Backports 2023-05-03 Cont #25349, Upstream PR docs: Add platform support to docs #25174, @joestringer)
• helm: add clustermesh nodeport config warning about known bug Strange behavior when using NodePort with clustermesh #24692 (Backport PR v1.11 Backports 2023-05-03 Cont #25349, Upstream PR helm: add clustermesh nodeport config warning about known bug #24692 #25033, @giorio94)
• ipsec: Install default-drop XFRM policy sooner (Backport PR Pr/v1.11 backport 2023 05 11 #25382, Upstream PR ipsec: Install default-drop XFRM policy sooner #25257, @pchaigno)
• Makefile: use a specific template for mktemp files (Backport PR v1.11 Backports 2023-05-03 Cont #25349, Upstream PR Makefile: use a specific template for mktemp files #25192, @kaworu)
• Misc Makefile improvements for quiet mode V=0 (Backport PR v1.11 Backports 2023-04-20 #25011, Upstream PR Misc Makefile improvements for quiet mode V=0 #20031, @joestringer)

Other Changes:

• [backport-v1.11] agent: dump stack on stale probes ([backport-v1.11] agent: dump stack on stale probes #24977, @squeed)
• [v1.11] contrib/backporting: Fix main branch reference ([v1.11] contrib/backporting: Fix main branch reference #25093, @joestringer)
• Add helm-toolbox image for helm docs, lint (Add helm-toolbox image for helm docs, lint #25420, @jrajahalme)
• contrib/backporting: Fix main branch reference (contrib/backporting: Fix main branch reference #25141, @sayboras)
• envoy: Upgrade to v1.23.9 (envoy: Upgrade to v1.23.9 #25210, @sayboras)
• install: Update image digests for v1.11.16 (install: Update image digests for v1.11.16 #24954, @gentoo-root)
• v1.11: docs: Document upgrade impact for IPsec (v1.11: docs: Document upgrade impact for IPsec #24974, @pchaigno)