Update changelog

CHANGELOG.md

@@ -12,6 +12,22 @@
     * Added dynamic layout [#879](https://github.com/lambdaclass/cairo-rs/pull/879)
     * `get_segment_size` was exposed [#934](https://github.com/lambdaclass/cairo-rs/pull/934)
 
+* Add missing hints on cairo_secp lib [#994](https://github.com/lambdaclass/cairo-rs/pull/994)::
+
+    `BuiltinHintProcessor` now supports the following hints:
+    ```python
+        from starkware.cairo.common.cairo_secp.secp_utils import pack
+        from starkware.python.math_utils import div_mod, safe_div
+
+        a = pack(ids.a, PRIME)
+        b = pack(ids.b, PRIME)
+        value = res = div_mod(a, b, N)
+    ```
+
+    ```python
+        value = k_plus_one = safe_div(res * b - a, N) + 1
+    ```
+
 * Add missing hint on cairo_secp lib [#992](https://github.com/lambdaclass/cairo-rs/pull/992):
 
     `BuiltinHintProcessor` now supports the following hint: