Lataa Cilium CLI 0.18.9

Summary of Changes
Major Changes:
- Operator prometheus support TLS/mTLS using existing secret (cilium/cilium#42077, @phuhung273)
Minor Changes:
- CLI: Allow users to set the default Cilium namespace via the CILIUM_NAMESPACE environment variable (cilium/cilium#41557, @td0ne)
- Removed deprecated CiliumBGPPeeringPolicy CRD and its agent implementation. Use cilium.io/v2 CRDs (CiliumBGPClusterConfig, CiliumBGPPeerConfig, CiliumBGPAdvertisement, CiliumBGPNodeConfigOverride) for configuring BGP. (cilium/cilium#42278, @rastislavs)
CI Changes:
- Add CCNP cilium connectivity tests (cilium/cilium#42051, @karina-ranadive)
- Fix connectivity tests for access to link-local nodelocaldns classified as 'host' entity (cilium/cilium#42984, @rptaylor)
Misc Changes:
- bgp: Correct misleading error message in GetPeeringState (cilium/cilium#42945, @hargrovee)
- bgp: Remove versions from bgp package names (cilium/cilium#42503, @rastislavs)
- cilium-cli: add own type for root command parameters (cilium/cilium#42609, @tklauser)
- cli: cleanups for pre-v1.15 removal (cilium/cilium#42757, @julianwiedmann)
- cli: require Cilium v1.15 (cilium/cilium#41538, @julianwiedmann)
- go.mod, vendor: bump github.com/google/go-github to v79 (cilium/cilium#42857, @tklauser)
- Update lrp frontend IP address to avoid IMDS conflict in the cloud environment in cilium-cli (cilium/cilium#42737, @liyihuang)
- Use modern Go constructs (cilium/cilium#42525, @HadrienPatte)
- Update stable release to v0.18.8 by @michi-covalent in #3121
- chore(deps): update actions/upload-artifact action to v5 by @renovate[bot] in #3124
- chore(deps): update docker.io/library/golang:1.25.3 docker digest to 8c945d3 by @renovate[bot] in #3122
- chore(deps): update dependency cilium/cilium to v1.18.3 by @renovate[bot] in #3123
- chore(deps): update docker.io/library/golang:1.25.3 docker digest to 6bac879 by @renovate[bot] in #3125
- renovate: try to group dependency updates by @tklauser in #3126
- chore(deps): update golangci/golangci-lint docker tag to v2.6.0 by @renovate[bot] in #3127
- chore(deps): update helm/kind-action action to v1.13.0 by @renovate[bot] in #3128
- chore(deps): update golangci/golangci-lint docker tag to v2.6.1 by @renovate[bot] in #3129
- chore(deps): update golang docker tag to v1.25.4 by @renovate[bot] in #3130
- chore(deps): update go to v1.25.4 by @renovate[bot] in #3131
- chore(deps): update golang:1.25.4-alpine3.21 docker digest to 3289aac by @renovate[bot] in #3132
- chore(deps): update docker.io/library/golang:1.25.4 docker digest to e68f6a0 by @renovate[bot] in #3135
- chore(deps): update golangci/golangci-lint docker tag to v2.6.2 by @renovate[bot] in #3136
- chore(deps): update golangci/golangci-lint-action action to v9 by @renovate[bot] in #3133
- chore(deps): update dependency cilium/cilium to v1.18.4 by @renovate[bot] in #3134
- chore(deps): update all github action dependencies by @renovate[bot] in #3137
- chore(deps): update actions/setup-go action to v6.1.0 by @renovate[bot] in #3138
- chore(deps): update actions/checkout action to v6 by @renovate[bot] in #3139
- chore(deps): update golangci/golangci-lint-action action to v9.1.0 by @renovate[bot] in #3141
- chore(deps): update docker.io/library/golang:1.25.4 docker digest to f60eaa8 by @renovate[bot] in #3140
- chore(deps): update docker.io/library/golang:1.25.4 docker digest to 6981837 by @renovate[bot] in #3143
- chore(deps): update softprops/action-gh-release action to v2.5.0 by @renovate[bot] in #3144
- chore(deps): update golang docker tag to v1.25.5 by @renovate[bot] in #3147
- chore(deps): update actions/checkout action to v6.0.1 by @renovate[bot] in #3146
- Prepare for v0.18.9 release by @michi-covalent in #3145
Full Changelog: v0.18.8...v0.18.9