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]>

Makefile

@@ -9,6 +9,7 @@ HAS_GO = $(shell hash $(GO) > /dev/null 2>&1 && echo "GO" || echo "NOGO" )
 XGO_PACKAGE ?= src.techknowlogick.com/xgo@latest
 XGO_VERSION := go-1.18.x
 GXZ_PAGAGE ?= github.com/ulikunitz/xz/cmd/[email protected]
+RUNNER_CMD_PACKAGE_PATH := gitea.com/gitea/act_runner/cmd
 
 LINUX_ARCHS ?= linux/amd64,linux/arm64
 DARWIN_ARCHS ?= darwin-12/amd64,darwin-12/arm64
@@ -49,7 +50,7 @@ else
 	ifneq ($(DRONE_BRANCH),)
 		VERSION ?= $(subst release/v,,$(DRONE_BRANCH))
 	else
-		VERSION ?= master
+		VERSION ?= main
 	endif
 
 	STORED_VERSION=$(shell cat $(STORED_VERSION_FILE) 2>/dev/null)
@@ -61,7 +62,7 @@ else
 endif
 
 TAGS ?=
-LDFLAGS ?= -X 'main.Version=$(VERSION)'
+LDFLAGS ?= -X "$(RUNNER_CMD_PACKAGE_PATH).version=$(RELASE_VERSION)"
 
 all: build