Bump actions/attest-build-provenance from 3.1.0 to 3.2.0 (#156)

Author: dependabot[bot]

.github/workflows/dotnet.yaml

@@ -214,7 +214,7 @@ jobs:
           name: nuget-package
           path: packed
       - name: Attest Build Provenance
-        uses: actions/attest-build-provenance@00014ed6ed5efc5b1ab7f7f34a39eb55d41aa4f8 # v3.1.0
+        uses: actions/attest-build-provenance@96278af6caaf10aea03fd8d33a09a777ca52d62f # v3.2.0
         with:
           subject-path: "packed/WoofWare.PrattParser.*.nupkg"