Fixing github runners apt issues

Author: gershnik

.github/workflows/build.yml

@@ -96,6 +96,7 @@ jobs:
     - name: Setup Linux
       if: runner.os == 'Linux'
       run: |
+        sudo apt-get update
         sudo apt-get install -y libsystemd-dev
         if [[ '${{ matrix.os }}' == 'ubuntu-20.04' ]]; then
           echo "CC=gcc-10"  >> $GITHUB_ENV

.github/workflows/publish.yml

@@ -101,6 +101,7 @@ jobs:
     - name: Setup Linux
       if: runner.os == 'Linux'
       run: |
+        sudo apt-get update
         sudo apt-get install -y libsystemd-dev
         if [[ '${{ matrix.os }}' == 'ubuntu-20.04' ]]; then
           echo "CC=gcc-10"  >> $GITHUB_ENV