Bump actions/checkout from 5 to 6

Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v5...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/dockerimage.yml

@@ -23,7 +23,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
@@ -102,7 +102,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.event_name != 'pull_request'
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Docker meta
         id: meta

Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.22.1 as build
+FROM alpine:3.22.2 as build
 
 ARG SQUID_VER=6.13
 
@@ -106,7 +106,7 @@ RUN sed -i '1s;^;include /etc/squid/conf.d/*.conf\n;' /etc/squid/squid.conf && \
 
 # --- --- --- --- --- --- --- --- ---
 
-FROM alpine:3.22.1
+FROM alpine:3.22.2
 	
 ENV SQUID_CONFIG_FILE /etc/squid/squid.conf
 ENV TZ Europe/Moscow