ci: update before apt install

Author: tmfink

.github/workflows/stable-only.yml

@@ -21,7 +21,9 @@ jobs:
         env:
           JOB: valgrind-test
           PROFILES: debug release
-        run: sudo apt-get install -y valgrind jq binutils-dev libcurl4-openssl-dev zlib1g-dev libdw-dev libiberty-dev
+        run: |
+          sudo apt-get update -y
+          sudo apt-get install -y valgrind jq binutils-dev libcurl4-openssl-dev zlib1g-dev libdw-dev libiberty-dev
 
       - name: valgrind-test
         env: