Strip newlines from git URL and revision results

The git-clone task was failing with 'invalid refspec' because the
revision had a trailing newline. Use tr -d '\n' to strip newlines.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Author: RaphaelBut

.tekton/pr-check-pipeline.yaml

@@ -31,9 +31,13 @@ spec:
               # Install jq
               yum install -y jq >/dev/null 2>&1
 
-              # Parse SNAPSHOT
-              echo '$(params.SNAPSHOT)' | jq -r '.components[0].source.git.url' | tee $(results.git-url.path)
-              echo '$(params.SNAPSHOT)' | jq -r '.components[0].source.git.revision' | tee $(results.git-revision.path)
+              # Parse SNAPSHOT and write results (tr -d '\n' removes newlines)
+              echo '$(params.SNAPSHOT)' | jq -r '.components[0].source.git.url' | tr -d '\n' > $(results.git-url.path)
+              echo '$(params.SNAPSHOT)' | jq -r '.components[0].source.git.revision' | tr -d '\n' > $(results.git-revision.path)
+
+              # Debug output
+              echo "Git URL: $(cat $(results.git-url.path))"
+              echo "Git revision: $(cat $(results.git-revision.path))"
       params:
         - name: SNAPSHOT
           value: $(params.SNAPSHOT)