Drop 5.16 from test matrix

This is due to `apt-install update` failure

.github/workflows/perl_linux.yml

@@ -16,7 +16,8 @@ jobs:
     strategy:
       matrix:
         perl-version:
-          - '5.16'
+          - '5.30'
+          - '5.32'
           - '5.34'
           - '5.36'
           - '5.38'
@@ -32,7 +33,7 @@ jobs:
         run: perl -V
       - name: Install Dependencies
         run: |
-          apt-get update -y || true
+          apt-get update -y
           apt-get install -y zsh
           curl -fsSL --compressed https://raw.githubusercontent.com/skaji/cpm/main/cpm > cpm
           perl ./cpm install -g Test::Requires B::Debug Devel::Cover Devel::Cover::Report::Coveralls