#### What type of PR is this?
/area ui
/kind improvement
/milestone 2.16.x
#### What this PR does / why we need it:
升级 pnpm 的版本至 9，以及 GitHub Actions 的 Node 版本改为了 20。
#### Does this PR introduce a user-facing change?
```release-note
升级 pnpm 的版本至 9
```
#### What type of PR is this?
/kind improvement
#### What this PR does / why we need it:
移除 issue 模板中的 **在线站点地址** 输入框，在正常情况下，系统信息中已经包含了外部访问地址。
#### Does this PR introduce a user-facing change?
```release-note
None
```
#### What type of PR is this?
/kind documentation
#### What this PR does / why we need it:
Prevent code contributors from being misled by outdated documentation(1.x).
#### Which issue(s) this PR fixes:
Fixes#5358
#### Special notes for your reviewer:
#### Does this PR introduce a user-facing change?
```release-note
NONE
```
#### What type of PR is this?
/kind improvement
/area core
/milestone 2.13.x
#### What this PR does / why we need it:
This PR supports building Docker image with major version tag, e.g.: `halohub/halo:2`.
#### Which issue(s) this PR fixes:
Fixes https://github.com/halo-dev/halo/issues/4976
#### Does this PR introduce a user-facing change?
```release-note
None
```
* chore: provide an out-of-the-box gitpod config file
* test: add e2e test cases of user, role, and plugin
---------
Co-authored-by: rick <LinuxSuRen@users.noreply.github.com>
Co-authored-by: John Niang <johnniang@foxmail.com>
#### What type of PR is this?
None
#### What this PR does / why we need it:
更新 issue 模板。
#### Does this PR introduce a user-facing change?
```release-note
None
```
#### What type of PR is this?
/kind improvement
#### What this PR does / why we need it:
添加[爱发电](https://afdian.net/a/halo-dev)的赞助入口，以及在 README 上添加 Sponsors 图像，此图像会在 https://github.com/halo-sigs/sponsor-images 仓库中自动更新。
#### Does this PR introduce a user-facing change?
```release-note
None
```
#### What type of PR is this?
/kind feature
/area core
#### What this PR does / why we need it:
Use Gradle plugin `maven-publish` to publish Halo modules(`platform.application`, `platform.plugin` and `api`) to Maven central repository.
```bash
# Try to publish to Maven local repository.
./gradlew publish
# Really publish to Maven central repository.
./gradlew -Prelease publish -PossrhUsername=username -PossrhPassword=password
```
Note that currently we only support manually publishing.
#### Which issue(s) this PR fixes:
Fixes https://github.com/halo-dev/halo/issues/2730
#### Does this PR introduce a user-facing change?
```release-note
None
```
#### What type of PR is this?
/kind improvement
#### What this PR does / why we need it:
移除在 https://github.com/halo-dev/halo/pull/1416 中引入的通过 GitHub Actions 来实现 ChatOps 的配置文件，目前已经使用了 Prow 代替。
#### Does this PR introduce a user-facing change?
```release-note
None
```
#### What type of PR is this?
/kind documentation
#### What this PR does / why we need it:
See https://github.com/halo-dev/halo/pull/2078 for more.
#### Does this PR introduce a user-facing change?
```release-note
None
```
#### What type of PR is this?
/kind bug
#### What this PR does / why we need it:
Add checkout-from parameter for composite action. Please see <a801af5be5/README.md>.
If we don't set the parameter for the action, it will checkout from `default branch` to build docker image. You can see <https://github.com/halo-dev/halo/runs/7316162265?check_suite_focus=true#step:2:478>.
#### Which issue(s) this PR fixes:
<!--
PR 合并时自动关闭 issue。
Automatically closes linked issue when PR is merged.
用法：`Fixes #<issue 号>`，或者 `Fixes (粘贴 issue 完整链接)`
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Fixes #
#### Special notes for your reviewer:
#### Does this PR introduce a user-facing change?
```release-note
None
```
