Move secrets and runners settings to actions settings (#24200)

This PR moves the secrets and runners settings to actions settings on
all settings(repo,org,user,admin) levels.

After this PR, if
[ENABLED](https://github.com/go-gitea/gitea/blob/5e7543fcf441afb30aba6188edac754ef32b9ac3/custom/conf/app.example.ini#L2604)
inside `app.ini` under `[actions]` is set to `false`, the "Actions" tab
(including runners management and secrets management) will not be shown.

After, the settings under actions settings for each level:

1. Admin Level
"Runners Management"
<img width="1437" alt="Screen Shot 2023-04-26 at 14 34 20"
src="https://user-images.githubusercontent.com/17645053/234489731-15822d21-38e1-4560-8bbe-69f122376abc.png">

2. User Level
"Secrets Management"
<img width="1427" alt="Screen Shot 2023-04-26 at 14 34 30"
src="https://user-images.githubusercontent.com/17645053/234489795-68c9c0cb-24f8-4f09-95c6-458ab914c313.png">

3. Repo and Organization Levels
"Runners Management" and "Secrets Management" 
   Org:
<img width="1437" alt="Screen Shot 2023-04-26 at 14 35 07"
src="https://user-images.githubusercontent.com/17645053/234489996-f3af5ebb-d354-46ca-9087-a0b586845281.png">

<img width="1433" alt="Screen Shot 2023-04-26 at 14 35 14"
src="https://user-images.githubusercontent.com/17645053/234490004-3abf8fed-81fd-4ce2-837a-935dade1793d.png">

    Repo:
<img width="1419" alt="Screen Shot 2023-04-26 at 14 34 50"
src="https://user-images.githubusercontent.com/17645053/234489904-80c11038-4b58-462c-9d0b-8b7cf70bc2b3.png">
    
<img width="1430" alt="Screen Shot 2023-04-26 at 14 34 57"
src="https://user-images.githubusercontent.com/17645053/234489918-4e8d1fe2-9bcd-4d8a-96c1-238a8088d92e.png">

It also finished these tasks :

- [x] rename routers function "runners" to "actions", and refactor
related file names
- [x] check and modify part of the runners related functions to match
their name
- [x] Fix backend check caused by fmt check

---------

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

templates/org/settings/actions.tmpl

@@ -1,5 +1,9 @@
-{{template "org/settings/layout_head" (dict "ctxData" . "pageClass" "organization settings runners")}}
+{{template "org/settings/layout_head" (dict "ctxData" . "pageClass" "organization settings actions")}}
 	<div class="org-setting-content">
+	{{if eq .PageType "runners"}}
 		{{template "shared/actions/runner_list" .}}
+	{{else if eq .PageType "secrets"}}
+		{{template "shared/secrets/add_list" .}}
+	{{end}}
 	</div>
 {{template "org/settings/layout_footer" .}}

templates/org/settings/navbar.tmpl

@@ -12,9 +12,6 @@
 		<a class="{{if .PageIsOrgSettingsLabels}}active {{end}}item" href="{{.OrgLink}}/settings/labels">
 			{{.locale.Tr "repo.labels"}}
 		</a>
-		<a class="{{if .PageIsOrgSettingsSecrets}}active {{end}}item" href="{{.OrgLink}}/settings/secrets">
-			{{.locale.Tr "secrets.secrets"}}
-		</a>
 		{{if .EnableOAuth2}}
 		<a class="{{if .PageIsSettingsApplications}}active {{end}}item" href="{{.OrgLink}}/settings/applications">
 			{{.locale.Tr "settings.applications"}}
@@ -26,9 +23,17 @@
 		</a>
 		{{end}}
 		{{if .EnableActions}}
-		<a class="{{if .PageIsOrgSettingsRunners}}active {{end}}item" href="{{.OrgLink}}/settings/runners">
-			{{.locale.Tr "actions.runners"}}
-		</a>
+		<div class="item">
+			{{.locale.Tr "actions.actions"}}
+			<div class="menu">
+				<a class="{{if .PageIsSharedSettingsRunners}}active {{end}}item" href="{{.OrgLink}}/settings/actions/runners">
+					{{.locale.Tr "actions.runners"}}
+				</a>
+				<a class="{{if .PageIsSharedSettingsSecrets}}active {{end}}item" href="{{.OrgLink}}/settings/actions/secrets">
+					{{.locale.Tr "secrets.secrets"}}
+				</a>
+			</div>
+		</div>
 		{{end}}
 		<a class="{{if .PageIsSettingsDelete}}active {{end}}item" href="{{.OrgLink}}/settings/delete">
 			{{.locale.Tr "org.settings.delete"}}

templates/org/settings/secrets.tmpl

@@ -1,5 +0,0 @@
-{{template "org/settings/layout_head" (dict "ctxData" . "pageClass" "organization settings secrets")}}
-			<div class="org-setting-content">
-				{{template "shared/secrets/add_list" .}}
-			</div>
-{{template "org/settings/layout_footer" .}}