Sort changelog and add release date for 0.8.25 (#14939)

Author: nikola-matic

Changelog.md

@@ -1,12 +1,9 @@
-### 0.8.25 (unreleased)
-
-Language Features:
-
+### 0.8.25 (2023-03-14)
 
 Compiler Features:
  * Code Generator: Use ``MCOPY`` instead of ``MLOAD``/``MSTORE`` loop when copying byte arrays.
- * Yul Analyzer: Emit transient storage warning only for the first occurrence of ``tstore``.
  * EVM: Set default EVM version to ``cancun``.
+ * Yul Analyzer: Emit transient storage warning only for the first occurrence of ``tstore``.
 
 
 Bugfixes:

docs/bugs_by_version.json

@@ -1890,6 +1890,10 @@
         "bugs": [],
         "released": "2024-01-25"
     },
+    "0.8.25": {
+        "bugs": [],
+        "released": "2023-03-14"
+    },
     "0.8.3": {
         "bugs": [
             "FullInlinerNonExpressionSplitArgumentEvaluationOrder",