Chore(ci): use asdf

- use action to install asdf
- install action-validator
- fix action.yml (only string inputs allowed)

.github/workflows/pr.yml

@@ -6,9 +6,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
-    - run: curl https://github.com/mpalmer/action-validator/releases/download/v0.5.4/action-validator_linux_amd64 -o ./action-validator
-    - run: chmod +x ./action-validator
-    - run: ./action-validator ./action.yml
+    - uses: asdf-vm/actions/install@v3
+      with:
+        tool_versions: |
+          action-validator 0.5.4
+    - run: asdf reshim action-validator
+    - run: action-validator ./action.yml
 
   custom-controller-login:
     needs:

action.yml

@@ -21,14 +21,11 @@ inputs:
     default: "~/.ssh/id_rsa"
   add-key:
     description: if set to true, run "runway key create"
-    type: boolean
     required: true
-    default: false
+    default: 'false'
   setup-ssh:
     description: if set to true, setup ssh to work for "runway app deploy"
-    type: boolean
-    required: true
-    default: false
+    default: 'false'
   log-level:
     description: debug, info, warn, error
     default: error