Fix x86 PG16 Debian packaging

Signed-off-by: Smitty <smitty@timescale.com>

Author: syvb

.github/actions/install-packages/action.yml

@@ -7,4 +7,4 @@ runs:
         shell: bash
         run: |
           sudo apt-get update
-          sudo apt-get install -y flex bison lcov systemd-coredump gdb libblas-dev libipc-run-perl libtest-most-perl clang-14 llvm-14 llvm-14-dev llvm-14-runtime llvm-14-tools libopenblas-dev
+          sudo apt-get install -y flex bison lcov systemd-coredump gdb libblas-dev libipc-run-perl libtest-most-perl clang-14 llvm-14 llvm-14-dev llvm-14-runtime llvm-14-tools libopenblas-dev libicu-dev