add attestation-id and attestation-url outputs (#415)

Signed-off-by: Brian DeHamer <bdehamer@github.com>

README.md

@@ -25,6 +25,16 @@ CLI][5].
 See [Using artifact attestations to establish provenance for builds][9] for more
 information on artifact attestations.
 
+<!-- prettier-ignore-start -->
+> [!NOTE]
+> Artifact attestations are available in public repositories for all
+> current GitHub plans. They are not available on legacy plans, such as Bronze,
+> Silver, or Gold. If you are on a GitHub Free, GitHub Pro, or GitHub Team plan,
+> artifact attestations are only available for public repositories. To use
+> artifact attestations in private or internal repositories, you must be on a
+> GitHub Enterprise Cloud plan.
+<!-- prettier-ignore-end -->
+
 ## Usage
 
 Within the GitHub Actions workflow which builds some artifact you would like to
@@ -93,9 +103,11 @@ See [action.yml](action.yml)
 
 <!-- markdownlint-disable MD013 -->
 
-| Name          | Description                                                    | Example                 |
-| ------------- | -------------------------------------------------------------- | ----------------------- |
-| `bundle-path` | Absolute path to the file containing the generated attestation | `/tmp/attestation.json` |
+| Name              | Description                                                    | Example                                          |
+| ----------------- | -------------------------------------------------------------- | ------------------------------------------------ |
+| `attestation-id`  | GitHub ID for the attestation                                  | `123456`                                         |
+| `attestation-url` | URL for the attestation summary                                | `https://github.com/foo/bar/attestations/123456` |
+| `bundle-path`     | Absolute path to the file containing the generated attestation | `/tmp/attestation.json`                          |
 
 <!-- markdownlint-enable MD013 -->
 

action.yml

@@ -46,13 +46,19 @@ outputs:
   bundle-path:
     description: 'The path to the file containing the attestation bundle.'
     value: ${{ steps.attest.outputs.bundle-path }}
+  attestation-id:
+    description: 'The ID of the attestation.'
+    value: ${{ steps.attest.outputs.attestation-id }}
+  attestation-url:
+    description: 'The URL for the attestation summary.'
+    value: ${{ steps.attest.outputs.attestation-url }}
 
 runs:
   using: 'composite'
   steps:
     - uses: actions/attest-build-provenance/predicate@36fa7d009e22618ca7cd599486979b8150596c74 # predicate@1.1.4
       id: generate-build-provenance-predicate
-    - uses: actions/attest@v2.0.1
+    - uses: actions/attest@v2.1.0
       id: attest
       with:
         subject-path: ${{ inputs.subject-path }}

package-lock.json

@@ -19,7 +19,7 @@
         "@typescript-eslint/parser": "^7.18.0",
         "@vercel/ncc": "^0.38.3",
         "eslint": "^8.57.1",
-        "eslint-plugin-github": "^5.1.3",
+        "eslint-plugin-github": "^5.1.4",
         "eslint-plugin-jest": "^28.9.0",
         "eslint-plugin-jsonc": "^2.18.2",
         "eslint-plugin-prettier": "^5.2.1",
@@ -27,7 +27,7 @@
         "jose": "^5.9.6",
         "markdownlint-cli": "^0.43.0",
         "nock": "^13.5.6",
-        "prettier": "^3.4.1",
+        "prettier": "^3.4.2",
         "prettier-eslint": "^16.3.0",
         "ts-jest": "^29.2.5",
         "typescript": "^5.7.2"
@@ -3443,11 +3443,10 @@
       }
     },
     "node_modules/eslint-plugin-github": {
-      "version": "5.1.3",
-      "resolved": "https://registry.npmjs.org/eslint-plugin-github/-/eslint-plugin-github-5.1.3.tgz",
-      "integrity": "sha512-/0lyEqLLodXW3p+D9eYtmEp6e9DcJmV5FhnE9wNWV1bcqyShuZFXn5kOeJIvxSbFbdbrKiNO8zFiV/VXeSpRSw==",
+      "version": "5.1.4",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-github/-/eslint-plugin-github-5.1.4.tgz",
+      "integrity": "sha512-j5IgIxsDoch06zJzeqPvenfzRXDKI9Z8YwfUg1pm2ay1q44tMSFwvEu6l0uEIrTpA3v8QdPyLr98LqDl1TIhSA==",
       "dev": true,
-      "license": "MIT",
       "dependencies": {
         "@eslint/compat": "^1.2.3",
         "@eslint/eslintrc": "^3.1.0",
@@ -7099,11 +7098,10 @@
       }
     },
     "node_modules/prettier": {
-      "version": "3.4.1",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.4.1.tgz",
-      "integrity": "sha512-G+YdqtITVZmOJje6QkXQWzl3fSfMxFwm1tjTyo9exhkmWSqC4Yhd1+lug++IlR2mvRVAxEDDWYkQdeSztajqgg==",
+      "version": "3.4.2",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.4.2.tgz",
+      "integrity": "sha512-e9MewbtFo+Fevyuxn/4rrcDAaq0IYxPGLvObpQjiZBMAzB9IGmzlnG9RZy3FFas+eBMu2vA0CszMeduow5dIuQ==",
       "dev": true,
-      "license": "MIT",
       "bin": {
         "prettier": "bin/prettier.cjs"
       },

package.json

@@ -80,7 +80,7 @@
     "@typescript-eslint/parser": "^7.18.0",
     "@vercel/ncc": "^0.38.3",
     "eslint": "^8.57.1",
-    "eslint-plugin-github": "^5.1.3",
+    "eslint-plugin-github": "^5.1.4",
     "eslint-plugin-jest": "^28.9.0",
     "eslint-plugin-jsonc": "^2.18.2",
     "eslint-plugin-prettier": "^5.2.1",
@@ -88,7 +88,7 @@
     "jose": "^5.9.6",
     "markdownlint-cli": "^0.43.0",
     "nock": "^13.5.6",
-    "prettier": "^3.4.1",
+    "prettier": "^3.4.2",
     "prettier-eslint": "^16.3.0",
     "ts-jest": "^29.2.5",
     "typescript": "^5.7.2"