CI: Update to OpenSSL 3.3.0 beta 1, try a -Werror build.

Author: notroj

.github/workflows/linux.yml

@@ -294,10 +294,11 @@ jobs:
               APU_VERSION=1.6.3
               APU_CONFIG="--without-crypto"
           # -------------------------------------------------------------------------
-          - name: OpenSSL 3.3 (alpha) no-engine
+          - name: OpenSSL 3.3 (beta) -Werror
             config: --enable-mods-shared=most --enable-maintainer-mode --disable-md --disable-http2 --disable-ldap --disable-crypto
+            notest-cflags: -Werror -O2
             env: |
-              TEST_OPENSSL3=3.3.0-alpha1
+              TEST_OPENSSL3=3.3.0-beta1
               OPENSSL_CONFIG=no-engine
               APR_VERSION=1.7.4
               APU_VERSION=1.6.3