* update submodule to sync namespaced proto files

* add compat E2E test and update mock collector

* add changelog, fix GHA syntax, compat Java agent

* highlight notes, use archive dist, revert compat in agent

* polish changelog, add missing `-javaagent` in provider

* fix wrong position of JAVA_OPTS

* polish changelog

* Increase metrics time range
* Remove unused codes
* Update SO11yE2E.java
Co-authored-by: NHongtao Gao <hanahmily@gmail.com>

* Add Istio control plane otel MAL expressions and UI template
* Remove OpenCensus receiver, add OpenTelemetry receiver
* Transfer oc receiver to ot receiver
* Create indices on boot
* Document istio metrics and otel receiver
* Update CHANGES.md
* Fix potential NPE
* Add group to meter and cleanup istio mixer
* Update e2e case due to the change of meter metric name
* Update prometheus fetcher config, fix sql builder issue of h2
* Disable istio and so11y metrics by default.
* Fix micrometer testcase

* fix transaction too large error when use TiDB as storage

* add CHANGES.md

* fix typo

* add tidb storage provider module.

* add e2e.

* revert ui submodule.

* fix license.

* Fix wrong health check test

* add tidb ttl e2e.
Co-authored-by: Nmoonsphere <moonsphere@m.com>
Co-authored-by: Nkezhenxu94 <kezhenxu94@apache.org>
Co-authored-by: Nkezhenxu94 <kezhenxu94@163.com>

* disable kafka plugin

* enable docker file of kafka for e2e test

* Make the default application.yml more friendly in the configuration section.

* Fix an issue in python e2e.

* support multiple segments analyze

* Support multiple ways to analyze segment data

* Change to support single or list of the segment data, add the document

* fix document and change the lua agent commit id
Co-authored-by: NMrproliu <mrproliu@lagou.com>

Co-authored-by: 吴晟 Wu Sheng <wu.sheng@foxmail.com>
Co-authored-by: Nkezhenxu94 <kezhenxu94@163.com>
Co-authored-by: Nkezhenxu94 <kezhenxu94@apache.org>

* go2sky e2e
Co-authored-by: Nkezhenxu94 <kezhenxu94@apache.org>

Here are the list of changes we made in this pull request. Top 3 are the principle changes, others are following these principles.
1. New agent and mesh report protocol. 
2. New agent header protocol. 
3. Service register, instance register and network address register have been removed permanently.
4. Service traffic, instance traffic and network alias metrics are added to replace the service, instance and network address inventory.
5. Register process has been removed.
6. Metrics stream process supports insert only mode, especially for traffic entities.
7. Metrics stream process supports no-downsampling mode for traffic entities and network alias.
8. Remove all register mechanism and cache in the java agent.
9. Remove MONTH step in GraphQL query.
10. Update UI to remove MONTH step query, the max query range is 60 days now.
11. Simplify the TTL to metrics and record. And the unit has been formatted in Day unit. No specific TTL for ElasticSearch storage.
12. Buffer mechanism of trace receiver and mesh receiver has been removed due to no register.
13. New service id, instance id and endpoint id rules, including service relation, instance relation and endpoint relation id rules.
14. Java agent support `keep tracing` mode, meaning, agent generating tracing context even the backend is unconnected/unavailable.
15. Plugin test tool up to date, in order to support new protocol.
16. Plugin tests expected data files updated.
17. E2E tests updated.
18. Telemetry of Grafana config has been merged into one.
19. Documentation updates.
20. [TBD] InfluxDB storage implementation is not available, need @dmsolr to fix later, in order to reduce the master change block by this PR.

* fix #4539, add PHP to the query protocol

* Add PHP module support to e2e test

* Add PHP e2e test into the CI control file

* Remove networks aliases

* Add PHP module support to e2e test

* Add e2e.php.yaml

* Locked version

* Add 200000 microsecond sleep in E2E-PHP
Co-authored-by: 吴晟 Wu Sheng <wu.sheng@foxmail.com>
Co-authored-by: Nkezhenxu94 <kezhenxu94@apache.org>