github: fix (?) variable references on windows

Author: mauke

.github/workflows/run-tests.yml

@@ -48,7 +48,7 @@ jobs:
         with:
           path: ${{ env.locallib }}
           key: local-lib-${{ matrix.os }}-${{ hashFiles('perl-fingerprint', 'Makefile_PL_settings*.plx') }}
-      - run: cpanm --mirror "file://$GITHUB_WORKSPACE/$cachepan" --mirror https://www.cpan.org/ --save-dist "$GITHUB_WORKSPACE/$cachepan" --notest ExtUtils::MakeMaker
-      - run: cpanm --mirror "file://$GITHUB_WORKSPACE/$cachepan" --mirror https://www.cpan.org/ --save-dist "$GITHUB_WORKSPACE/$cachepan" --installdeps --with-develop --notest .
+      - run: cpanm --mirror "file://${{ github.workspace }}/${{ env.cachepan }}" --mirror https://www.cpan.org/ --save-dist "${{ github.workspace }}/${{ env.cachepan }}" --notest ExtUtils::MakeMaker
+      - run: cpanm --mirror "file://${{ github.workspace }}/${{ env.cachepan }}" --mirror https://www.cpan.org/ --save-dist "${{ github.workspace }}/${{ env.cachepan }}" --installdeps --with-develop --notest .
       - run: perl Makefile.PL
       - run: make test

.github/workflows/run-tests.yml.tmpl

@@ -48,7 +48,7 @@ jobs:
         with:
           path: ${{ env.locallib }}
           key: local-lib-${{ matrix.os }}-${{ hashFiles('perl-fingerprint', 'Makefile_PL_settings*.plx') }}
-      - run: cpanm --mirror "file://$GITHUB_WORKSPACE/$cachepan" --mirror https://www.cpan.org/ --save-dist "$GITHUB_WORKSPACE/$cachepan" --notest ExtUtils::MakeMaker
-      - run: cpanm --mirror "file://$GITHUB_WORKSPACE/$cachepan" --mirror https://www.cpan.org/ --save-dist "$GITHUB_WORKSPACE/$cachepan" --installdeps --with-develop --notest .
+      - run: cpanm --mirror "file://${{ github.workspace }}/${{ env.cachepan }}" --mirror https://www.cpan.org/ --save-dist "${{ github.workspace }}/${{ env.cachepan }}" --notest ExtUtils::MakeMaker
+      - run: cpanm --mirror "file://${{ github.workspace }}/${{ env.cachepan }}" --mirror https://www.cpan.org/ --save-dist "${{ github.workspace }}/${{ env.cachepan }}" --installdeps --with-develop --notest .
       - run: perl Makefile.PL
       - run: make test