ci: switch openssl.org (not available right now) to www.openssl.org

    $ curl --head https://openssl.org/
    curl: (7) Failed to connect to openssl.org port 443 after 2928 ms: Couldn't connect to server

    $ curl --head https://www.openssl.org/
    HTTP/1.1 200 OK
    Server: Apache/2.4.52 (Ubuntu)
    Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
    Content-Type: text/html; charset=UTF-8
    Cache-Control: max-age=29521
    Expires: Mon, 25 Dec 2023 03:29:26 GMT
    Date: Sun, 24 Dec 2023 19:17:25 GMT
    Connection: keep-alive

.github/workflows/build.yml

@@ -56,7 +56,7 @@ jobs:
         run: |
           mkdir build-openssl
           cd build-openssl
-          curl -L https://openssl.org/source/openssl-1.1.1w.tar.gz | tar --strip-components=1 -xzf -
+          curl -L https://www.openssl.org/source/openssl-1.1.1w.tar.gz | tar --strip-components=1 -xzf -
           ./Configure --prefix=$OPENSSL_DIR --libdir=lib linux-x86_64 -fPIC -g no-shared
           make -j
           make install_sw