chore(workflows/tests): change cache to use "runs-on" instead of "node-version"

as mongodb cache does not change between node versions, but actual OS

Author: hasezoey

.github/workflows/tests.yml

@@ -37,10 +37,10 @@ jobs:
         uses: actions/cache@v4
         with:
           path: ~/.cache/mongodb-binaries
-          key: ${{ matrix.node-version }}-${{ hashFiles('**/globalSetup.ts') }}
+          key: ${{ job.container.runs-on }}-${{ hashFiles('**/globalSetup.ts') }}
           restore-keys: |
-            ${{ matrix.node-version }}-
-            ${{ matrix.node-version }}
+            ${{ job.container.runs-on }}-
+            ${{ job.container.runs-on }}
       - name: Install node_modules
         run: yarn
       - name: TSCheck