CI apt-get update before installing dependencies

- Replace command `apt` with `apt-get`.

Author: SpriteOvO

.github/workflows/ci.yml

@@ -48,7 +48,7 @@ jobs:
       uses: actions/checkout@v2
     - name: Install dependencies
       if: matrix.os == 'ubuntu-latest'
-      run: sudo apt install libsystemd-dev
+      run: sudo bash ./.github/workflows/install-deps.sh
     - name: Restore cargo caches
       uses: Swatinem/rust-cache@v1
     - name: Run tests
@@ -64,7 +64,7 @@ jobs:
       uses: actions/checkout@v2
     - name: Install dependencies
       if: matrix.os == 'ubuntu-latest'
-      run: sudo apt install libsystemd-dev
+      run: sudo bash ./.github/workflows/install-deps.sh
     - name: Install nightly
       run: |
         rustup toolchain install nightly
@@ -82,7 +82,7 @@ jobs:
     - name: Checkout repository
       uses: actions/checkout@v2
     - name: Install dependencies
-      run: sudo apt install libsystemd-dev
+      run: sudo bash ./.github/workflows/install-deps.sh
     - name: Install nightly
       run: rustup toolchain install nightly
     - name: Restore cargo caches
@@ -104,7 +104,7 @@ jobs:
       uses: actions/checkout@v2
     - name: Install dependencies (Linux)
       if: matrix.os == 'ubuntu-latest'
-      run: sudo apt install libsystemd-dev
+      run: sudo bash ./.github/workflows/install-deps.sh
     - name: Install Rust ${{ env.rust_minver }}
       run: rustup toolchain install ${{ env.rust_minver }}
     - name: Restore cargo caches

.github/workflows/install-deps.sh

@@ -0,0 +1,2 @@
+apt-get update
+apt-get install libsystemd-dev