Build using Go 1.22 (#356)

* Bump golang from 1.21-alpine to 1.22-alpine

Bumps golang from 1.21-alpine to 1.22-alpine.

---
updated-dependencies:
- dependency-name: golang
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

* Update go version in mod file and lint action

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Frederik Ring <frederik.ring@gmail.com>

.github/workflows/golangci-lint.yml

@@ -18,7 +18,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: '1.21'
+          go-version: '1.22'
           cache: false
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v3

Dockerfile

@@ -1,7 +1,7 @@
 # Copyright 2021 - Offen Authors <hioffen@posteo.de>
 # SPDX-License-Identifier: MPL-2.0
 
-FROM golang:1.21-alpine as builder
+FROM golang:1.22-alpine as builder
 
 WORKDIR /app
 COPY . .

go.mod

@@ -1,6 +1,6 @@
 module github.com/offen/docker-volume-backup
 
-go 1.21
+go 1.22
 
 require (
 	github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.5.1