chore: place tarball in workdir

The goal is to improve maintainability, because ``dist/`` was hardcoded
in multiple steps.

.github/workflows/build.yml

@@ -92,10 +92,10 @@ jobs:
           ARCHIVE_FILE_SHA384="${ARCHIVE_FILE}.sha384"
           echo "Creating archive $ARCHIVE_FILE"
 
-          mkdir -p dist/build
-          cp chisel LICENSE README.md dist/build
-          find dist/build -printf "%P\n" | tar -czf dist/$ARCHIVE_FILE --no-recursion -C dist/build -T -
-          cd dist/ && sha384sum "${ARCHIVE_FILE}" > "${ARCHIVE_FILE_SHA384}" && cd -
+          mkdir -p dist/
+          cp chisel LICENSE README.md dist/
+          find dist -printf "%P\n" | tar -czf $ARCHIVE_FILE --no-recursion -C dist -T -
+          sha384sum "${ARCHIVE_FILE}" > "${ARCHIVE_FILE_SHA384}"
 
           # Share variables with subsequent steps
           echo "ARCHIVE_FILE=${ARCHIVE_FILE}" >>$GITHUB_OUTPUT
@@ -106,8 +106,8 @@ jobs:
         with:
           name: ${{ steps.archive.outputs.ARCHIVE_FILE }}
           path: |
-            dist/${{ steps.archive.outputs.ARCHIVE_FILE }}
-            dist/${{ steps.archive.outputs.ARCHIVE_FILE_SHA384 }}
+            ${{ steps.archive.outputs.ARCHIVE_FILE }}
+            ${{ steps.archive.outputs.ARCHIVE_FILE_SHA384 }}
 
       - name: Upload archive to release
         env:
@@ -118,5 +118,5 @@ jobs:
         if: ${{ github.event_name == 'release' }}
         run: |
           echo "Uploading $ARCHIVE_FILE to release $CHISEL_VERSION"
-          gh release upload $CHISEL_VERSION dist/$ARCHIVE_FILE
-          gh release upload $CHISEL_VERSION dist/$ARCHIVE_FILE_SHA384
+          gh release upload $CHISEL_VERSION $ARCHIVE_FILE
+          gh release upload $CHISEL_VERSION $ARCHIVE_FILE_SHA384