Update attest-build-provenance

Author: xPaw

.github/workflows/build.yml

@@ -91,15 +91,12 @@ jobs:
         path: bin/SteamTokenDumper
 
     # Attest
-    - uses: actions/attest-build-provenance@v1
+    - uses: actions/attest-build-provenance@v2
       if: matrix.os == 'windows-latest'
       with:
-        subject-path: 'bin/SteamTokenDumper/SteamTokenDumper.exe'
-
-    - uses: actions/attest-build-provenance@v1
-      if: matrix.os != 'windows-latest'
-      with:
-        subject-path: 'bin/SteamTokenDumper/SteamTokenDumper'
+        subject-path: |
+          'bin/SteamTokenDumper/SteamTokenDumper.exe'
+          'bin/SteamTokenDumper/SteamTokenDumper'
 
   release:
     if: startsWith(github.ref, 'refs/tags/')