Updating mizu base docker image alpine 3.14 -> 3.15 (#591)

Co-authored-by: Igor Gov <igor.govorov1@gmail.com>

Dockerfile

@@ -50,7 +50,7 @@ RUN chmod +x ./basenine_linux_amd64
 COPY devops/build_extensions.sh ..
 RUN cd .. && /bin/bash build_extensions.sh
 
-FROM alpine:3.14
+FROM alpine:3.15
 
 RUN apk add bash libpcap-dev
 

agent/pkg/middlewares/cors.go

@@ -6,7 +6,7 @@ func CORSMiddleware() gin.HandlerFunc {
 	return func(c *gin.Context) {
 		c.Writer.Header().Set("Access-Control-Allow-Origin", "*")
 		c.Writer.Header().Set("Access-Control-Allow-Credentials", "true")
-		c.Writer.Header().Set("Access-Control-Allow-Headers", "Content-Type, Content-Length, Accept-Encoding, X-CSRF-Token, Authorization, accept, origin, Cache-Control, X-Requested-With")
+		c.Writer.Header().Set("Access-Control-Allow-Headers", "Content-Type, Content-Length, Accept-Encoding, X-CSRF-Token, Authorization, accept, origin, Cache-Control, X-Requested-With, x-session-token")
 		c.Writer.Header().Set("Access-Control-Allow-Methods", "POST, OPTIONS, GET, PUT")
 
 		if c.Request.Method == "OPTIONS" {