Update docker/login-action action to v3

Reviewed-on: #64

.forgejo/workflows/docker.yml

@@ -13,12 +13,12 @@ jobs:
       image: ghcr.io/catthehacker/ubuntu:act-latest
     steps:
       - name: Login to Docker Hub
-        uses: docker/login-action@v2
+        uses: docker/login-action@v3
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
       - name: Login to cr.sp-codes.de
-        uses: docker/login-action@v2
+        uses: docker/login-action@v3
         with:
           registry: cr.sp-codes.de
           username: ${{ secrets.CR_USERNAME }}

Dockerfile

@@ -1,5 +1,5 @@
 # STEP 1 build executable binary
-FROM golang:1.22.3-alpine AS builder
+FROM golang:1.22.6-alpine AS builder
 
 ENV CADVISOR_VERSION="v0.49.1"
 
@@ -11,7 +11,7 @@ RUN apk upgrade --no-cache \
  && ./build/build.sh
 
 # STEP 2 build the image including only the binary
-FROM alpine:3.20.0
+FROM alpine:3.20.2
 
 RUN apk upgrade --no-cache && apk add libc6-compat device-mapper findutils zfs \
  && rm -rf /var/cache/apk/*