Minor actions fixes/updates

- always apt-get update before installing packages
- move to tagged official create_release action

The official GH create_release action now has support for body text from
file.

Signed-off-by: Phil Estes <estesp@linux.vnet.ibm.com>

.github/workflows/ci.yml

@@ -238,6 +238,7 @@ jobs:
       - name: Install Linux dependencies
         if: startsWith(matrix.os, 'ubuntu')
         run: |
+          sudo apt-get update
           sudo apt-get install -y btrfs-tools libseccomp-dev
 
       - name: Make