fix: upgrade Go version to 1.25 in workflow files (#101)

Author: hrntknr

.github/workflows/build.yaml

@@ -41,7 +41,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v4
         with:
-          go-version: "1.23"
+          go-version: "1.25"
 
       - name: Build
         env:

.github/workflows/check.yaml

@@ -19,7 +19,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v4
         with:
-          go-version: "1.23"
+          go-version: "1.25"
 
       - name: Check gofmt
         run: |

.github/workflows/test.yaml

@@ -19,7 +19,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v4
         with:
-          go-version: "1.23"
+          go-version: "1.25"
 
       - name: Download dependencies
         run: go mod download