opencascade: new version 7.7.1 (#37057)

No build system or dependency changes necessary.

New maintenance release announcement at https://www.opencascade.com/open-cascade-technology-7-7-1-maintenance-release/.

Full diff from 7.7.0 to 7.7.1 at https://git.dev.opencascade.org/gitweb/?p=occt.git;a=commitdiff;h=ffce0d66bbaafe3a95984d0e61804c201b9995d2;hp=185d29b92f6764ffa9fc195b7dbe7bba3c4ac855

var/spack/repos/builtin/packages/opencascade/package.py

@@ -19,6 +19,11 @@ class Opencascade(CMakePackage):
 
     maintainers("wdconinc")
 
+    version(
+        "7.7.1",
+        extension="tar.gz",
+        sha256="f413d30a8a06d6164e94860a652cbc96ea58fe262df36ce4eaa92a9e3561fd12",
+    )
     version(
         "7.7.0",
         extension="tar.gz",