docs(deploy/github-pages): improve description for build-path regarding expected absolute path

Signed-off-by: Emilien Escalle <emilien.escalle@escemi.com>

Author: neilime

actions/deploy/github-pages/README.md

@@ -50,10 +50,12 @@ permissions:
 - uses: hoverkraft-tech/ci-github-publish/actions/deploy/github-pages@b56be562f38e0e3e712f09691a8fe930aae9db1b # 0.22.0
   with:
     # The path to the assets to deploy.
+    # When using a build artifact, it must exist in the artifact with its full path.
     # Can be absolute or relative $GITHUB_WORKSPACE.
     build-path: ""
 
     # The ID of the "build" artifact to download.
+    # The artifact must contain the full build path.
     # If not set, the action will use the local workspace files.
     build-artifact-id: ""
 
@@ -88,8 +90,10 @@ permissions:
 | **Input**                   | **Description**                                                                                                       | **Required** | **Default**           |
 | --------------------------- | --------------------------------------------------------------------------------------------------------------------- | ------------ | --------------------- |
 | **`build-path`**            | The path to the assets to deploy.                                                                                     | **false**    | -                     |
+|                             | When using a build artifact, it must exist in the artifact with its full path.                                        |              |                       |
 |                             | Can be absolute or relative $GITHUB_WORKSPACE.                                                                        |              |                       |
 | **`build-artifact-id`**     | The ID of the "build" artifact to download.                                                                           | **false**    | -                     |
+|                             | The artifact must contain the full build path.                                                                        |              |                       |
 |                             | If not set, the action will use the local workspace files.                                                            |              |                       |
 | **`budget-path`**           | The path to the performance budget file. See action [Check - URL - Lighthouse](../../check/url-lighthouse/README.md). | **false**    | `./budget.json`       |
 | **`static-site-generator`** | The static site generator used to build the site. See <https://github.com/actions/configure-pages>.                   | **false**    | -                     |

actions/deploy/github-pages/action.yml

@@ -6,17 +6,19 @@ branding:
   color: blue
 
 inputs:
-  build-path:
-    description: |
-      The path to the assets to deploy.
-      Can be absolute or relative $GITHUB_WORKSPACE.
-    required: false
   build-artifact-id:
     description: |
       The ID of the "build" artifact to download.
+      The artifact must contain the full (absolute) build path.
       If not set, the action will use the local workspace files.
+
     required: false
     default: ""
+  build-path:
+    description: |
+      The path to the assets to deploy.
+      Can be absolute or relative $GITHUB_WORKSPACE.
+    required: false
   budget-path:
     description: "The path to the performance budget file. See action [Check - URL - Lighthouse](../../check/url-lighthouse/README.md)."
     required: false