Update golang Docker tag to v1.26

.gitea/workflows/docker-build-and-push.yml

@@ -73,7 +73,7 @@ jobs:
             type=raw,value=latest
       - 
         name: Build and push
-        uses: docker/build-push-action@v6.19.1
+        uses: docker/build-push-action@v6.18.0
         with:
           context: ./build
           push: ${{ gitea.event_name != 'pull_request' }}

build/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.25-alpine AS builder
+FROM golang:1.26-alpine AS builder
 
 WORKDIR /app