Use correct version of 3.1 build for FIPS provider.

We're (currently) intending to validate 3.1.2 against FIPS 140-3.

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from #22088)

.github/workflows/provider-compatibility.yml

@@ -179,7 +179,7 @@ jobs:
         # later providers.  Problems in these situations ought to be
         # caught by cross branch testing before the release.
         tree_a: [ branch-master, branch-3.1, branch-3.0,
-                  openssl-3.0.0, openssl-3.0.8, openssl-3.0.9, openssl-3.1.1 ]
+                  openssl-3.0.0, openssl-3.0.8, openssl-3.0.9, openssl-3.1.2 ]
         tree_b: [ branch-master, branch-3.1, branch-3.0  ]
     steps:
       - name: early exit checks