At this moment we support amd64 and arm64

This pretends to avoid using too many workers, adding a second layer for ARM.

* master:
  fix: check if kibana version is a commit (elastic#1047)
  fix: incorrect variable name (elastic#1046)
  fix: typo in parameters (elastic#1045)
  chore: add debug info for the payload (elastic#1044)
  chore: add debug traces for the webhook payload (elastic#1043)
  fix: wrong interpolation (elastic#1042)
  Update Elastic Agent to not use Kibana (elastic#1036)
  fix: apply X version for non-master branches (elastic#1037)
  fix: add NodeJS to PATH (elastic#1035)
  fix: use an agent when building kibana (elastic#1030)
  fix(jjb): use a branch that exists (elastic#1029)
  remove uninstall step (elastic#1017)
  fix: delay checking stale agent version until it's used (elastic#1016)
  fix: use same JJB than in custom kibana (elastic#1010)
  chore: simplify PR template (elastic#1011)
  feat: support passing KIBANA_VERSION (elastic#905)
  [mergify] assign the original author (elastic#1009)

* master:
  v2 refactor (elastic#1008)
  fix: use a version of kibana with the fix for fleet-server validations (elastic#1055)
  feat: add first scenario for Fleet Server (elastic#900)
  fix: do not use GT_REPO variable, use fixed repo name instead (elastic#1049)

* master:
  fix: run unit tests after refactor (elastic#1067)

See elastic/beats#25195

See https://github.com/elastic/package-storage

* master:
  Support fleet-server-service-token (elastic#1096)
  fix: use wider selector for ARM workers (elastic#1103)
  feat: bootstrap fleet-server for the deployment of regular elastic-agents (elastic#1078)
  fix: use proper variable name (elastic#1102)
  fix: branch_specifier is needed (elastic#1097)
  Move kubernetes/kubectl/kind code to internal project layout (elastic#1092)
  fix: update JJBB with proper values (elastic#1093)
  feat: support building centos/debian Docker images in multiplatform format (elastic#1091)
  Kubernetes autodiscover suite (elastic#1064)

* master:
  chore: update mergify's titles (elastic#1142)
  chore: remove unused pipelines (elastic#1143)
  feat: use Docker copy to transfer binaries to containers (elastic#1136)
  chore: abstract image pulling (elastic#1137)
  Support multiple deployment backends (elastic#1130)
  chore: remove unused code (elastic#1119)
  Unify fleet and stand-alone suites (elastic#1112)
  Pull fresh docker images before suite (elastic#1123)
  chore: initialise timeout factor next to the declaration (elastic#1118)
  chore: match Go version with Beats (elastic#1120)
  feat: support running k8s autodiscover suite for Beats PRs and local repositories (elastic#1115)
  Auto bootstrap fleet during initialize scenario (elastic#1116)
  Kubernetes Deployment (elastic#1110)

* master:
  chore: rename downloaded file (elastic#1149)
  fix: bump stale agent to 7.13-SNAPSHOT (elastic#1146)

Because we are using ephemeral workers, we do not want to remove previous files

This reverts commit 9104501.

* master:
  feat: simplify the initialisation of versions (elastic#1159)
  chore(mergify): delete upstream branches on merge (elastic#1158)
  chore: abstract process checks to the deployer (elastic#1156)
  feat: check how many processes of a process are running in the host (elastic#1153)

This reverts commit 01cc441.

* master:
  feat: support flavours in services, specially in the elastic-agent (elastic#1162)

* master:
  fix: run linux integration on CI (elastic#1186)
  docs: document integrations in the proper README file (elastic#1181)
  fix: resolve issues in k8s-autodiscover test suite (elastic#1171)
  feat: make a stronger verification of fleet-server being bootstrapped (elastic#1164)

* master:
  fix: make sure debian boxes have the right tools for testing (elastic#1190)

They are also blocking the addition of a parent tag at the feature level, as maximun number of tags is 3

The scenario will be able to override its parent suite's platforms, making
possible to select different platforms at the scenario level.

Co-authored-by: Victor Martinez <victormartinezrubio@gmail.com>

This reverts commit 9ef81ca.

* master:
  Revert "Update installer code to support deployer abstraction (elastic#1163)" (elastic#1201)
  Update installer code to support deployer abstraction (elastic#1163)

* master:
  feat: support for running feature files (elastic#1193)

* master:
  Feat installer rework 2 (elastic#1208)