ci: use npm 7 on Node 10

Author: WikiRik

.github/workflows/ci.yml

@@ -18,6 +18,7 @@ jobs:
       - uses: actions/setup-node@v6
         with:
           node-version: ${{ matrix.node-version }}
+      - run: if [ "${{ matrix.node-version }}" = "10" ]; then npm install -g npm@7; fi
       - run: npm ci
       - run: npm install sequelize@${{ matrix.sequelize-version }}
       - run: docker compose up -d ${DIALECT}
@@ -39,6 +40,7 @@ jobs:
       - uses: actions/setup-node@v6
         with:
           node-version: ${{ matrix.node-version }}
+      - run: if [ "${{ matrix.node-version }}" = "10" ]; then npm install -g npm@7; fi
       - run: npm ci
       - run: npm install sequelize@${{ matrix.sequelize-version }}
       - run: docker compose up -d ${DIALECT}
@@ -59,6 +61,7 @@ jobs:
       - uses: actions/setup-node@v6
         with:
           node-version: ${{ matrix.node-version }}
+      - run: if [ "${{ matrix.node-version }}" = "10" ]; then npm install -g npm@7; fi
       - run: npm ci
       - run: npm install sequelize@${{ matrix.sequelize-version }}
       - run: npm test