bump: Bump to v0.2.11

It fixes double slashes.

.github/workflows/release-bump.yaml

@@ -32,7 +32,7 @@ jobs:
         uses: gap-actions/build-pkg-docs@v1
         with:
           use-latex: 'true'
-      
+
       - name: github -- run clean up for tarball
         run: |
           echo "::group:: cleanup version control metadata"
@@ -47,14 +47,14 @@ jobs:
 
           echo "::group:: cleanup macos metadata"
           find . -name .DS_Store -exec rm -f {} +
-          
+
           echo "::group:: remove tex aux files"
           find doc \( -name '*.aux' -o -name '*.bbl' -o -name '*.blg' -o -name '*.brf' -o -name '*.idx' -o -name '*.ilg' -o -name '*.ind' -o -name '*.log' -o -name '*.out' -o -name '*.pnr' -o -name '*.toc' -o -name '*.tst' \) -exec rm -f {} +
 
       - name: pkg -- build an archive
         run: |
           touch ${{ env.archive-file }}
-          tar -czf ${{ env.archive-file }} --exclude=${{ env.archive-file }} --transform 's,^\.,${{ env.revision }}/,' .
+          tar -czf ${{ env.archive-file }} --exclude=${{ env.archive-file }} --transform 's,^\.,${{ env.revision }},' .
 
       - name: github -- upload artifacts
         uses: softprops/action-gh-release@v2