ci: switch alpine-tools image

.drone.jsonnet

@@ -213,9 +213,8 @@ local PipelineDocs = {
     },
     {
       name: 'spellcheck',
-      image: 'node:lts-alpine',
+      image: 'thegeeklab/alpine-tools',
       commands: [
-        'npm install -g spellchecker-cli',
         "spellchecker --files '_docs/**/*.md' 'README.md' 'CONTRIBUTING.md' -d .dictionary -p spell indefinite-article syntax-urls --no-suggestions",
       ],
       environment: {

.drone.yml

@@ -329,9 +329,8 @@ steps:
       - markdownlint 'docs/content/**/*.md' 'README.md' 'CONTRIBUTING.md'
 
   - name: spellcheck
-    image: node:lts-alpine
+    image: thegeeklab/alpine-tools
     commands:
-      - npm install -g spellchecker-cli
       - spellchecker --files '_docs/**/*.md' 'README.md' 'CONTRIBUTING.md' -d .dictionary -p spell indefinite-article syntax-urls --no-suggestions
     environment:
       FORCE_COLOR: true
@@ -454,6 +453,6 @@ depends_on:
 
 ---
 kind: signature
-hmac: 08707ab293e9a34853d2568004f486b98ec758581ada47e84cadd6b4bfeb29ab
+hmac: 35dab9861c1b83193d1514305527967c25516546cb2af7cf892ec01c2fdf9fa0
 
 ...