chore!: Introduce ZITADEL v3 (#9645)

This PR summarizes multiple changes specifically only available with
ZITADEL v3:

- feat: Web Keys management
(https://github.com/zitadel/zitadel/pull/9526)
- fix(cmd): ensure proper working of mirror
(https://github.com/zitadel/zitadel/pull/9509)
- feat(Authz): system user support for permission check v2
(https://github.com/zitadel/zitadel/pull/9640)
- chore(license): change from Apache to AGPL
(https://github.com/zitadel/zitadel/pull/9597)
- feat(console): list v2 sessions
(https://github.com/zitadel/zitadel/pull/9539)
- fix(console): add loginV2 feature flag
(https://github.com/zitadel/zitadel/pull/9682)
- fix(feature flags): allow reading "own" flags
(https://github.com/zitadel/zitadel/pull/9649)
- feat(console): add Actions V2 UI
(https://github.com/zitadel/zitadel/pull/9591)

BREAKING CHANGE
- feat(webkey): migrate to v2beta API
(https://github.com/zitadel/zitadel/pull/9445)
- chore!: remove CockroachDB Support
(https://github.com/zitadel/zitadel/pull/9444)
- feat(actions): migrate to v2beta API
(https://github.com/zitadel/zitadel/pull/9489)

---------

Co-authored-by: Livio Spring <livio.a@gmail.com>
Co-authored-by: Stefan Benz <46600784+stebenz@users.noreply.github.com>
Co-authored-by: Silvan <27845747+adlerhurst@users.noreply.github.com>
Co-authored-by: Ramon <mail@conblem.me>
Co-authored-by: Elio Bischof <elio@zitadel.com>
Co-authored-by: Kenta Yamaguchi <56732734+KEY60228@users.noreply.github.com>
Co-authored-by: Harsha Reddy <harsha.reddy@klaviyo.com>
Co-authored-by: Livio Spring <livio@zitadel.com>
Co-authored-by: Max Peintner <max@caos.ch>
Co-authored-by: Iraq <66622793+kkrime@users.noreply.github.com>
Co-authored-by: Florian Forster <florian@zitadel.com>
Co-authored-by: Tim Möhlmann <tim+github@zitadel.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Max Peintner <peintnerm@gmail.com>

.github/workflows/core-integration-test.yml

@@ -73,7 +73,6 @@ jobs:
         if: ${{ steps.cache.outputs.cache-hit != 'true' }}
         env:
           ZITADEL_MASTERKEY: MasterkeyNeedsToHave32Characters
-          INTEGRATION_DB_FLAVOR: postgres
         run: make core_integration_test
       -
         name: upload server logs
@@ -99,71 +98,3 @@ jobs:
         with:
           key: integration-test-postgres-${{ inputs.core_cache_key }}
           path: ${{ steps.go-cache-path.outputs.GO_CACHE_PATH }}
-
-  # TODO: produces the following output: ERROR: unknown command "cockroach start-single-node --insecure" for "cockroach"
-  # cockroach:
-  #   runs-on: ubuntu-latest
-  #   services:
-  #     cockroach:
-  #       image: cockroachdb/cockroach:latest
-  #       ports:
-  #         - 26257:26257
-  #         - 8080:8080
-  #       env:
-  #         COCKROACH_ARGS: "start-single-node --insecure"
-  #       options: >-
-  #         --health-cmd "curl http://localhost:8080/health?ready=1 || exit 1"
-  #         --health-interval 10s
-  #         --health-timeout 5s
-  #         --health-retries 5
-  #         --health-start-period 10s
-  #   steps:
-  #     - 
-  #       uses: actions/checkout@v4
-  #     -
-  #       uses: actions/setup-go@v5
-  #       with:
-  #         go-version: ${{ inputs.go_version }}
-  #     - 
-  #       uses: actions/cache/restore@v4
-  #       timeout-minutes: 1
-  #       name: restore core
-  #       with:
-  #         path: ${{ inputs.core_cache_path }}
-  #         key: ${{ inputs.core_cache_key }}
-  #         fail-on-cache-miss: true
-  #     -
-  #       id: go-cache-path
-  #       name: set cache path
-  #       run: echo "GO_CACHE_PATH=$(go env GOCACHE)" >> $GITHUB_OUTPUT
-  #     - 
-  #       uses: actions/cache/restore@v4
-  #       id: cache
-  #       timeout-minutes: 1
-  #       name: restore previous results
-  #       with:
-  #         key: integration-test-crdb-${{ inputs.core_cache_key }}
-  #         restore-keys: |
-  #           integration-test-crdb-core-
-  #         path: ${{ steps.go-cache-path.outputs.GO_CACHE_PATH }}
-  #     - 
-  #       name: test
-  #       if: ${{ steps.cache.outputs.cache-hit != 'true' }}
-  #       env:
-  #         ZITADEL_MASTERKEY: MasterkeyNeedsToHave32Characters
-  #         INTEGRATION_DB_FLAVOR: cockroach
-  #       run: make core_integration_test
-  #     - 
-  #       name: publish coverage
-  #       uses: codecov/codecov-action@v4.3.0
-  #       with:
-  #         file: profile.cov
-  #         name: core-integration-tests-cockroach
-  #         flags: core-integration-tests-cockroach
-  #     - 
-  #       uses: actions/cache/save@v4
-  #       name: cache results
-  #       if: ${{ steps.cache.outputs.cache-hit != 'true' }}
-  #       with:
-  #         key: integration-test-crdb-${{ inputs.core_cache_key }}
-  #         path: ${{ steps.go-cache-path.outputs.GO_CACHE_PATH }}