Change code owners for hashlib and ssl to the crypto team (#3284)

* Change code owners for hashlib and ssl to the crypto team

* Include the core CSPRNG for the crypto-team

.github/CODEOWNERS

@@ -11,14 +11,17 @@
 **/*genobject*                @1st1
 
 # Hashing
-**/*hashlib*                  @tiran
-**/*pyhash*                   @tiran
+**/*hashlib*                  @python/crypto-team
+**/*pyhash*                   @python/crypto-team
 
 # Import (including importlib)
 **/*import*                   @python/import-team
 
 # SSL
-**/*ssl*                      @tiran
+**/*ssl*                      @python/crypto-team
+
+# CSPRNG
+Python/bootstrap_hash.c       @python/crypto-team
 
 # Email and related
 **/*mail*                     @bitdancer