Add sudo apt-get update command to workflow (#1177)

- 404 Not Found errors when trying to download dependencies in the Get the latest therock build step. Adding `sudo apt-get update` command first to avoid this.
- Added `sudo apt-get update` to the rocprofiler-sdk-build-ci-docker-images.yml workflow.

.github/workflows/rocprofiler-sdk-build-ci-docker-images.yml

@@ -46,6 +46,7 @@ jobs:
       - name: Get the latest therock build
         id: therock
         run: |
+          sudo apt-get update
           sudo apt-get install -y python3-pip
           python3 -m pip install -U pip
           python3 -m pip install -U awscli