bump @actions/attest from 1.5.0 to 1.6.0 (#484)

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

Author: bdehamer

__tests__/__snapshots__/main.test.ts.snap

@@ -7,7 +7,7 @@ exports[`main when a non-default OIDC issuer is used successfully run main 1`] =
     "externalParameters": {
       "workflow": {
         "path": ".github/workflows/main.yml",
-        "ref": "main",
+        "ref": "refs/heads/main",
         "repository": "https://example-01.ghe.com/owner/repo",
       },
     },
@@ -46,7 +46,7 @@ exports[`main when the default OIDC issuer is used successfully run main 1`] = `
     "externalParameters": {
       "workflow": {
         "path": ".github/workflows/main.yml",
-        "ref": "main",
+        "ref": "refs/heads/main",
         "repository": "https://github.com/owner/repo",
       },
     },

dist/index.js

@@ -1,7 +1,7 @@
 {
   "name": "actions/attest-build-provenance",
   "description": "Generate signed build provenance attestations",
-  "version": "1.1.4",
+  "version": "1.1.5",
   "author": "",
   "private": true,
   "homepage": "https://github.com/actions/attest-build-provenance",
@@ -70,7 +70,7 @@
     ]
   },
   "dependencies": {
-    "@actions/attest": "^1.5.0",
+    "@actions/attest": "^1.6.0",
     "@actions/core": "^1.11.1"
   },
   "devDependencies": {