Bump alpine from 3.21 to 3.22 (#1994)

* Bump alpine from 3.21 to 3.22

Bumps alpine from 3.21 to 3.22.

---
updated-dependencies:
- dependency-name: alpine
  dependency-version: '3.22'
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

* Update Dockerfile.alpine

Signed-off-by: Nicola Murino <[email protected]>

---------

Signed-off-by: dependabot[bot] <[email protected]>
Signed-off-by: Nicola Murino <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Nicola Murino <[email protected]>

Dockerfile.alpine

@@ -1,4 +1,4 @@
-FROM golang:1.24-alpine3.21 AS builder
+FROM golang:1.24-alpine3.22 AS builder
 
 ENV GOFLAGS="-mod=readonly"
 
@@ -25,7 +25,7 @@ RUN set -xe && \
     export COMMIT_SHA=${COMMIT_SHA:-$(git describe --always --abbrev=8 --dirty)} && \
     go build $(if [ -n "${FEATURES}" ]; then echo "-tags ${FEATURES}"; fi) -trimpath -ldflags "-s -w -X github.com/drakkan/sftpgo/v2/internal/version.commit=${COMMIT_SHA} -X github.com/drakkan/sftpgo/v2/internal/version.date=`date -u +%FT%TZ`" -v -o sftpgo
 
-FROM alpine:3.21
+FROM alpine:3.22
 
 # Set to "true" to install jq and the optional git and rsync dependencies
 ARG INSTALL_OPTIONAL_PACKAGES=false