Update CI to use the latest version of asdf

.forgejo/workflows/CI.yml

@@ -29,7 +29,7 @@ jobs:
             ~/.config/common-lisp/source-registry.conf.d
             ~/lisp
             .qlot/
-          key: roswell-${{ runner.os }}-${{ matrix.lisp }}-${{ hashFiles('qlfile.lock') }}
+          key: roswell-${{ runner.os }}-${{ matrix.lisp }}-${{ hashFiles('qlfile.lock', '.forgejo/workflows/CI.yml') }}
 
       - name: Install dependencies
         if: steps.restore-cache.outputs.cache-hit != 'true'
@@ -37,6 +37,7 @@ jobs:
           LISP: ${{ matrix.lisp }}
         run: |
           curl -L https://raw.githubusercontent.com/roswell/roswell/master/scripts/install-for-ci.sh | sh
+          ros install asdf
           ros install fukamachi/qlot
           PATH="~/.roswell/bin:$PATH"
           qlot install