feat: Update CI workflow to use Ubuntu latest for matrix testing

.github/workflows/CI.yml

@@ -74,14 +74,6 @@ jobs:
         shell: bash -el {0}
         run: |
           pip install .[full]
-          pip install pytest-cov pytest-order pytest-xdist git+https://github.com/alsmith151/CoolBox.git
-      
-      - name: Cache the complete environment
-        uses: actions/cache@v3
-        with:
-          path: ${{ env.CONDA }}/envs
-          key: ${{env.CACHE_ID_UNIQ}}
-        id: cache-conda-env-capcruncher 
   
   test:
     runs-on: ${{ matrix.os }}
@@ -101,13 +93,24 @@ jobs:
           key: ${{ env.CACHE_NUMBER }}
         id: bowtie2_cache
 
-      - name: Restore capcruncher env
+      - name: Cache Conda env
         uses: actions/cache@v3
         with:
           path: ${{ env.CONDA }}/envs
-          key: ${{env.CACHE_ID_UNIQ}}
-          id: cache-conda-env-capcruncher
-
+          key: conda-${{ runner.os }}--${{ runner.arch }}--${{
+            steps.get-date.outputs.today }}-${{
+            hashFiles('environment.yml') }}-${{ env.CACHE_NUMBER}}
+        env:
+          # Increase this value to reset cache if etc/example-environment.yml has not changed
+          CACHE_NUMBER: 0
+        id: cache-conda-env
+
+      - name: install the package
+        shell: bash -el {0}
+        run: |
+          pip install .[full]
+          pip install pytest-cov pytest-order pytest-xdist
+      
       - name: Run test for ${{ matrix.tests }}
         shell: bash -el {0}
         run: |