chore(encoders): update package tool before installing packages [Back…

…port #4750 to  0.61 ] (#4763)

## Description

Backport: #4750

## Reviewer Checklist
- [ ] Title is accurate.
- [ ] Description motivates each change.
- [ ] No unnecessary changes were introduced in this PR.
- [ ] Avoid breaking
[API](https://ddtrace.readthedocs.io/en/stable/versioning.html#interfaces)
changes unless absolutely necessary.
- [ ] Tests provided or description of manual testing performed is
included in the code or PR.
- [ ] Release note has been added and follows the [library release note
guidelines](https://ddtrace.readthedocs.io/en/stable/contributing.html#Release-Note-Guidelines),
or else `changelog/no-changelog` label added.
- [ ] All relevant GitHub issues are correctly linked.
- [ ] Backports are identified and tagged with Mergifyio.

Co-authored-by: Brett Langdon <brett.langdon@datadoghq.com>

scripts/profiles/encoders/setup.sh

@@ -20,6 +20,7 @@ pip install pip --upgrade
 
 # Install austin
 pushd ${PREFIX}
+    sudo apt update
     sudo apt-get -y install libunwind-dev binutils-dev libiberty-dev
     git clone --depth=1 https://github.com/p403n1x87/austin.git -b devel
     pushd austin