bpo-38820: Test with OpenSSL 3.0.0 final (GH-28205)

Signed-off-by: Christian Heimes <christian@python.org>

.github/workflows/build.yml

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 27e07a5..1ed35b5 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -185,7 +185,7 @@
     strategy:
       fail-fast: false
       matrix:
-        openssl_ver: [1.1.1l, 3.0.0-beta1]
+        openssl_ver: [1.1.1l, 3.0.0]
     env:
       OPENSSL_VER: ${{ matrix.openssl_ver }}
       MULTISSL_DIR: ${{ github.workspace }}/multissl

Tools/ssl/multissltests.py

diff --git a/Tools/ssl/multissltests.py b/Tools/ssl/multissltests.py
index 9b46c8c..7bdfd0b 100755
--- a/Tools/ssl/multissltests.py
+++ b/Tools/ssl/multissltests.py
@@ -48,7 +48,7 @@
 
 OPENSSL_RECENT_VERSIONS = [
     "1.1.1l",
-    "3.0.0-beta1"
+    "3.0.0"
 ]
 
 LIBRESSL_OLD_VERSIONS = [
@@ -412,6 +412,10 @@ def _post_install_300(self):
             ["make", "-j1", "install_ssldirs", "install_fips"],
             cwd=self.build_dir
         )
+        if not os.path.isdir(self.lib_dir):
+            # 3.0.0-beta2 uses lib64 on 64 bit platforms
+            lib64 = self.lib_dir + "64"
+            os.symlink(lib64, self.lib_dir)
 
     @property
     def short_version(self):