.github: run prettier over all yml files

.github/dependabot.yml

@@ -1,6 +1,6 @@
 version: 2
 updates:
-- package-ecosystem: gomod
+  - package-ecosystem: gomod
     directory: "/"
     schedule:
       interval: monthly

.github/workflows/codeql-analysis.yml

@@ -6,7 +6,7 @@ on:
   pull_request:
     branches: [main]
   schedule:
-    - cron: '0 1 * * 6' # run weekly on Saturdays
+    - cron: "0 1 * * 6" # run weekly on Saturdays
 
 jobs:
   analyze:
@@ -20,7 +20,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        language: ['go']
+        language: ["go"]
 
     steps:
       - name: Checkout repository

.github/workflows/docker.yml

@@ -2,12 +2,12 @@ name: Docker
 
 on:
   push:
-    branches: [ 'main' ]
-    tags: [ 'v*' ]
+    branches: ["main"]
+    tags: ["v*"]
   pull_request:
     # Run the workflow on pull_request events to ensure we can still build the image.
     # We only publish the image on push events (see if statements in steps below).
-    branches: [ 'main' ]
+    branches: ["main"]
 
 env:
   REGISTRY: ghcr.io

.github/workflows/linter.yml

@@ -4,7 +4,7 @@ on:
       - main
   pull_request:
     branches:
-      - '**'
+      - "**"
 name: linter
 
 jobs:

.github/workflows/tests.yml

@@ -4,7 +4,7 @@ on:
       - main
   pull_request:
     branches:
-      - '**'
+      - "**"
 name: tests
 env:
   GO111MODULE: on