Bump alpine from 3.21.3 to 3.22.0

Bumps alpine from 3.21.3 to 3.22.0.

---
updated-dependencies:
- dependency-name: alpine
  dependency-version: 3.22.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/dockerimage.yml

@@ -4,7 +4,7 @@ on:
   push:
     # Publish `master` as Docker `latest` image.
     branches:
-      - master
+      - master
       - v5
 
     # Publish `v1.2.3` tags as releases.
@@ -21,7 +21,7 @@ env:
 
 jobs:
   test:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
 
@@ -99,7 +99,7 @@ jobs:
           docker compose -f docker-compose.test.yml down
   push:
     needs: test
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     if: github.event_name != 'pull_request'
     steps:
       - uses: actions/checkout@v4

Dockerfile

@@ -1,4 +1,4 @@
-FROM alpine:3.21.3 as build
+FROM alpine:3.22.0 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:3.21.3
+FROM alpine:3.22.0
 	
 ENV SQUID_CONFIG_FILE /etc/squid/squid.conf
 ENV TZ Europe/Moscow