disable 5.14 and 5.16 for strawberry perl

There are installation issues in the dependencies, specifically
Business::ISBN. This module has windows tests, but they run on different
versions of Windows with 5.40. There are no testers reports for windows
on old versions on CPAN.

Author: simbabque

.github/workflows/dzil-build-and-test.yml

@@ -75,6 +75,8 @@ jobs:
           - { distribution: strawberry, perl-version: "5.8" }
           - { distribution: strawberry, perl-version: "5.10" }
           - { distribution: strawberry, perl-version: "5.12" }
+          - { distribution: strawberry, perl-version: "5.14" }
+          - { distribution: strawberry, perl-version: "5.16" }
           - { distribution: strawberry, perl-version: "5.34" }
           - { distribution: strawberry, perl-version: "5.36" }
     runs-on: ${{ matrix.os }}