Bump Go version (#978)

* Update Go build to 1.25.
* Update minimum Go version to 1.24.0.

Signed-off-by: SuperQ <superq@gmail.com>

Author: SuperQ

.circleci/config.yml

@@ -7,7 +7,7 @@ executors:
   # should also be updated.
   golang:
     docker:
-      - image: cimg/go:1.24
+      - image: cimg/go:1.25
 jobs:
   test:
     executor: golang
@@ -18,7 +18,7 @@ jobs:
           file: mysqld_exporter
   integration:
     docker:
-      - image: cimg/go:1.24
+      - image: cimg/go:1.25
       - image: << parameters.mysql_image >>
         environment:
           MYSQL_ALLOW_EMPTY_PASSWORD: "yes"

.promu.yml

@@ -1,7 +1,7 @@
 go:
     # Whenever the Go version is updated here, .circle/config.yml should also
     # be updated.
-    version: 1.24
+    version: 1.25
 repository:
     path: github.com/prometheus/mysqld_exporter
 build:

go.mod

@@ -1,6 +1,6 @@
 module github.com/prometheus/mysqld_exporter
 
-go 1.23.0
+go 1.24.0
 
 require (
 	github.com/DATA-DOG/go-sqlmock v1.5.2