Use OpenSSL 4 in macOS CI

Author: shivammathur

.github/actions/brew/action.yml

@@ -33,4 +33,6 @@ runs:
           t1lib \
           libxml2 \
           libjpeg \
-          libxslt
+          libxslt \
+          openssl@4
+        brew link --force --overwrite openssl@4

.github/actions/configure-macos/action.yml

@@ -11,7 +11,7 @@ runs:
         set -x
         BREW_OPT="$(brew --prefix)"/opt
         export PATH="$BREW_OPT/bison/bin:$PATH"
-        export PKG_CONFIG_PATH="$PKG_CONFIG_PATH:$BREW_OPT/openssl/lib/pkgconfig"
+        export PKG_CONFIG_PATH="$PKG_CONFIG_PATH:$BREW_OPT/openssl@4/lib/pkgconfig"
         export PKG_CONFIG_PATH="$PKG_CONFIG_PATH:$BREW_OPT/curl/lib/pkgconfig"
         export PKG_CONFIG_PATH="$PKG_CONFIG_PATH:$BREW_OPT/libffi/lib/pkgconfig"
         export PKG_CONFIG_PATH="$PKG_CONFIG_PATH:$BREW_OPT/libxml2/lib/pkgconfig"