Perl 5.10 no longer supported by one of our dependencies

.github/workflows/linux.yml

@@ -12,7 +12,7 @@ jobs:
         shell: perl {0}
         run: |
           use Actions::Core;
-          set_output(matrix => {perl => [grep { $_ !~ /^5\.[68]\./ } perl_versions()]});
+          set_output(matrix => {perl => [grep { $_ !~ /^5\.(6|8|10)\./ } perl_versions()]});
     outputs:
       matrix: ${{ steps.set-matrix.outputs.matrix }}