Need to be more careful about importing is_bool, and to test coverage…

… on a recent perl

.github/workflows/coveralls.yml

@@ -7,7 +7,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: shogo82148/actions-setup-perl@v1
         with:
-          perl-version: 5.32
+          perl-version: 5.36
       - name: Run with coverage checking
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

t/create-collection.t

@@ -3,7 +3,8 @@ use warnings;
 no warnings qw(portable);
 
 use File::Temp qw(tempfile);
-use Scalar::Type qw(bool_supported is_bool);
+use Scalar::Type qw(bool_supported)
+Scalar::Type->import('is_bool') if(bool_supported());
 use Test::More;
 use Test::Exception;
 use lib 't/lib';

t/root-node-scalar.t

@@ -10,7 +10,8 @@ use TestFloat;
 use File::Temp qw(tempfile);
 use String::Binary::Interpolation;
 use Data::IEEE754 qw(pack_double_be);
-use Scalar::Type qw(bool_supported is_bool);
+use Scalar::Type qw(bool_supported)
+Scalar::Type->import('is_bool') if(bool_supported());
 
 use Data::CompactReadonly;