Inject version when building and report version to Gitea via log and header (#43)

close #42
1. Inject runner version when `make build`
After building, executing command line: `./act_runner -v` or `./act_runner --version`, the version of runner is printed.
![image](/attachments/e25efbd3-79b3-49a5-b93f-42646d42c707)

2. In `Actions` UI:
![image](/attachments/36c57470-2a1d-4796-9eb0-de3988ab88e1)

3. Set request header in http client interceptor.

Co-authored-by: sillyguodong <[email protected]>
Reviewed-on: https://gitea.com/gitea/act_runner/pulls/43
Reviewed-by: delvh <[email protected]>
Reviewed-by: Jason Song <[email protected]>
Co-authored-by: sillyguodong <[email protected]>
Co-committed-by: sillyguodong <[email protected]>

cmd/daemon.go

@@ -66,6 +66,7 @@ func runDaemon(ctx context.Context, envFile string) func(cmd *cobra.Command, arg
 			cfg.Client.Insecure,
 			cfg.Runner.UUID,
 			cfg.Runner.Token,
+			version,
 		)
 
 		runner := &runtime.Runner{
@@ -74,6 +75,7 @@ func runDaemon(ctx context.Context, envFile string) func(cmd *cobra.Command, arg
 			ForgeInstance: cfg.Client.Address,
 			Environ:       cfg.Runner.Environ,
 			Labels:        cfg.Runner.Labels,
+			Version:       version,
 			CacheHandler:  handler,
 		}