[newlib-cygwin/cygwin-3_6-branch] Cygwin: CI: Explicitly install gawk in cross-build

[Jon Turney]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=20aded9d9a6c3eacc075d324d674a8a4168147b3

commit 20aded9d9a6c3eacc075d324d674a8a4168147b3
Author: Jon Turney <jon.turney@dronecode.org.uk>
Date:   Sun Apr 20 19:19:21 2025 +0100

    Cygwin: CI: Explicitly install gawk in cross-build
    
    Seems to be needed now fedora-latest is F42.
    
    (cherry picked from commit 6ef7bd5283ca6c115de4edf5c1727da1f955420e)

Diff:
---
 .github/workflows/cygwin.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/cygwin.yml b/.github/workflows/cygwin.yml
index 53dd06d3c..b5b1e163e 100644
--- a/.github/workflows/cygwin.yml
+++ b/.github/workflows/cygwin.yml
@@ -29,7 +29,7 @@ jobs:
     # install build tools
     - name: Install build tools
       run: |
-        dnf install -y autoconf automake make patch perl mingw${{ matrix.pkgarch }}-gcc-c++ mingw${{ matrix.pkgarch }}-winpthreads-static mingw${{ matrix.pkgarch }}-zlib-static
+        dnf install -y autoconf automake gawk make patch perl mingw${{ matrix.pkgarch }}-gcc-c++ mingw${{ matrix.pkgarch }}-winpthreads-static mingw${{ matrix.pkgarch }}-zlib-static
 
     # enable 'dnf copr'
     - name: Enable 'dnf copr'