GHA/windows: drop vcpkg shiftmedia-gnutls, replace with mbedtls

GnuTLS vcpkg package broken again with the latest runner image update:
https://github.com/curl/curl/actions/runs/11240011311/job/31248406051?pr=15203#step:5:137

Previous breakage: 09b21e4755b4cc8ff31e9126aa9caf464988551e #14864
Closes #15204

diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 3479460f617deef92ddea09decb53faa2a9da079..5dd64188158eff72698e38c639309a020f9e9d49 100644 (file)
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -619,14 +619,14 @@ jobs:
       matrix:
         include:
           - name: 'schannel MultiSSL U'
-            install: 'brotli zlib zstd libpsl nghttp2 libssh2[core,zlib] pkgconf gsasl openssl mbedtls shiftmedia-libgnutls'
+            install: 'brotli zlib zstd libpsl nghttp2 libssh2[core,zlib] pkgconf gsasl openssl mbedtls'
             arch: 'x64'
             plat: 'windows'
             type: 'Debug'
             tflags: '~1516 ~2301 ~2302 ~2303 ~2307'
             config: >-
               -DCURL_BROTLI=ON -DCURL_ZSTD=ON -DCURL_USE_LIBSSH2=ON
-              -DCURL_USE_SCHANNEL=ON  -DCURL_USE_OPENSSL=ON -DCURL_USE_MBEDTLS=ON -DCURL_USE_GNUTLS=ON -DCURL_DEFAULT_SSL_BACKEND=schannel
+              -DCURL_USE_SCHANNEL=ON  -DCURL_USE_OPENSSL=ON -DCURL_USE_MBEDTLS=ON -DCURL_DEFAULT_SSL_BACKEND=schannel
               -DCURL_USE_GSASL=ON -DUSE_WIN32_IDN=ON -DENABLE_UNICODE=ON
 
           - name: 'openssl'
@@ -684,8 +684,8 @@ jobs:
               -DCURL_USE_SCHANNEL=OFF -DCURL_USE_WOLFSSL=ON -DUSE_NGTCP2=ON
               -DCURL_USE_GSASL=ON
 
-          - name: 'gnutls'
-            install: 'brotli zlib zstd libpsl nghttp2 shiftmedia-libgnutls libssh pkgconf gsasl ngtcp2[gnutls] nghttp3'
+          - name: 'mbedtls'
+            install: 'brotli zlib zstd libpsl nghttp2 mbedtls libssh pkgconf gsasl'
             arch: 'x64'
             plat: 'windows'
             type: 'Debug'
@@ -696,7 +696,7 @@ jobs:
             # https://github.com/curl/curl-for-win/blob/3951808deb04df9489ee17430f236ed54436f81a/libssh.sh#L6-L8
             config: >-
               -DCURL_BROTLI=ON -DCURL_ZSTD=ON -DCURL_USE_LIBSSH2=OFF -DCURL_USE_LIBSSH=ON
-              -DCURL_USE_SCHANNEL=OFF -DCURL_USE_GNUTLS=ON -DUSE_NGTCP2=ON
+              -DCURL_USE_SCHANNEL=OFF -DCURL_USE_MBEDTLS=ON
               -DCURL_USE_GSASL=ON
 
           - name: 'msh3'