ci(deps): update alpine docker tag to v3.18.0 (#138)

Co-authored-by: Michael Kriese <michael.kriese@gmx.de>
Reviewed-on: https://codeberg.org/forgejo-contrib/forgejo-helm/pulls/138

.woodpecker/lint.yml

@@ -11,28 +11,28 @@ when:
 
 pipeline:
   deps:
-    image: alpine:3.17.3
+    image: alpine:3.18.0
     pull: true
     commands:
       - apk add helm
       - helm dependency build
 
   helm-lint:
-    image: alpine:3.17.3
+    image: alpine:3.18.0
     pull: true
     commands:
       - apk add helm
       - helm lint
 
   helm-template:
-    image: alpine:3.17.3
+    image: alpine:3.18.0
     pull: true
     commands:
       - apk add helm
       - helm template --debug gitea-helm .
 
   helm-unittests:
-    image: alpine:3.17.3
+    image: alpine:3.18.0
     pull: true
     commands:
       - apk add make helm git bash
@@ -41,7 +41,7 @@ pipeline:
       - make unittests
 
   verify-readme:
-    image: alpine:3.17.3
+    image: alpine:3.18.0
     pull: true
     commands:
       - apk add make nodejs npm git
@@ -49,7 +49,7 @@ pipeline:
       - git diff --exit-code --name-only README.md
 
   yaml-lint:
-    image: alpine:3.17.3
+    image: alpine:3.18.0
     pull: true
     commands:
       - apk add yamllint

.woodpecker/release-version.yml

@@ -10,7 +10,7 @@ when:
 
 pipeline:
   generate-chart:
-    image: alpine:3.17.3
+    image: alpine:3.18.0
     pull: true
     commands:
       - apk add git nodejs npm helm
@@ -36,7 +36,7 @@ pipeline:
       target: main
 
   publish-chart:
-    image: alpine:3.17.3
+    image: alpine:3.18.0
     pull: true
     commands:
       - apk add helm