ci: remove attestations from JReleaser (#1798)

We weren't able to get this to work, and we already have the signed SBOMs in Maven Central.

Author: zepfred

.github/workflows/release.yml

@@ -91,12 +91,3 @@ jobs:
           path: |
             out/jreleaser/trace.log
             out/jreleaser/output.properties
-
-      - id: set-artifacts-output
-        run: echo "ARTIFACTS=$(cat out/jreleaser/catalogs/github/timefold-solver-${{ github.event.inputs.version }})" >> $GITHUB_OUTPUT
-
-      - name: Attestations
-        uses: actions/attest-build-provenance@v3
-        with:
-          subject-path: |
-            ${{ steps.set-artifacts-output.outputs.ARTIFACTS }}

jreleaser.yml

@@ -6,13 +6,6 @@ signing:
   active: ALWAYS
   armored: true
 
-catalog:
-  github:
-    active: ALWAYS
-    attestationName: 'timefold-solver-{{projectVersion}}'
-    excludes:
-      - '**/*.asc'
-
 release:
   github:
     commitAuthor:
@@ -62,4 +55,4 @@ deploy:
           - groupId: ai.timefold.solver
             artifactId: timefold-solver-webui
             sourceJar: true
-            javadocJar: false
+            javadocJar: false