build: Update GH Actions settings

Author: aalmiray

.github/workflows/build.yml

@@ -17,7 +17,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: '1.21.5'
+          go-version: '1.25.3'
 
       - name: Import GPG key
         id: import_gpg

.github/workflows/release.yml

@@ -17,7 +17,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: '1.21.5'
+          go-version: '1.25.3'
 
       - name: Import GPG key
         id: import_gpg