Add tea actions runs and workflows commands (#880)

Implements comprehensive workflow execution tracking for Gitea Actions using tea CLI

## Features

### tea actions runs list
- List workflow runs with filtering (status, branch, event, actor, time)
- Time filters: relative (24h, 7d) and absolute dates
- Status symbols: ✓ success, ✘ failure, ⭮ pending, ⊘ skipped/cancelled, ⚠ blocked
- Multiple output formats: table, json, yaml, csv, tsv

### tea actions runs view
- View run details with metadata (ID, status, workflow, branch, event, trigger info)
- Shows jobs table with status, runner, duration
- Optional --jobs flag to toggle jobs display

### tea actions runs delete
- Delete/cancel workflow runs with confirmation prompt
- Supports --confirm/-y to skip prompt

### tea actions runs logs
- View job logs for all jobs or specific job (--job <id>)
- **New: --follow/-f flag for real-time log following** (like tail -f)
- Polls API every 2 seconds, only shows new content
- Auto-detects completion and exits

### tea actions workflows list
- List workflow files (.yml and .yaml) in repository
- Searches in .gitea/workflows and .github/workflows
- Shows active (✓) or inactive (✗) status based on recent runs
- Displays workflow name, path, and file size

## Commands

`tea actions runs list --status success --since 24h`
`tea actions runs view 123`
`tea actions runs delete 123 --confirm`
`tea actions runs logs 123 --job 456 --follow`
`tea actions workflows list`

## Tests
- 19 unit tests across all commands
- Full test suite passing
- Manual testing successful

---------

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: techknowlogick <techknowlogick@gitea.com>
Reviewed-on: https://gitea.com/gitea/tea/pulls/880
Reviewed-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: yousfi saad <yousfi.saad@gmail.com>
Co-committed-by: yousfi saad <yousfi.saad@gmail.com>

cmd/actions.go

@@ -17,11 +17,13 @@ var CmdActions = cli.Command{
 	Aliases:     []string{"action"},
 	Category:    catEntities,
 	Usage:       "Manage repository actions",
-	Description: "Manage repository actions including secrets, variables, and workflows",
+	Description: "Manage repository actions including secrets, variables, and workflow runs",
 	Action:      runActionsDefault,
 	Commands: []*cli.Command{
 		&actions.CmdActionsSecrets,
 		&actions.CmdActionsVariables,
+		&actions.CmdActionsRuns,
+		&actions.CmdActionsWorkflows,
 	},
 	Flags: []cli.Flag{
 		&cli.StringFlag{
@@ -40,7 +42,6 @@ var CmdActions = cli.Command{
 	},
 }
 
-func runActionsDefault(ctx stdctx.Context, cmd *cli.Command) error {
-	// Default to showing help
-	return cli.ShowCommandHelp(ctx, cmd, "actions")
+func runActionsDefault(_ stdctx.Context, cmd *cli.Command) error {
+	return cli.ShowSubcommandHelp(cmd)
 }