Update CHANGELOG for 1.0.0 release

CHANGELOG.md

@@ -1,12 +1,21 @@
 # CHANGELOG
 
+## [1.0.0](https://github.com/elazar/flystream/releases/tag/1.0.0)
+
+2023-11-18
+
+* **BC Break**: Bumped minimum PHP version from 7.4 to 8.1
+* **BC Break**: Bumped `psr/log` version from `^1` to `^2.0 || ^3.0`
+* **BC Break**: Removed usage of Pimple and container accessor methods from `ServiceLocator` and replaced it with a custom PSR-11 container ([#6](https://github.com/elazar/flystream/issues/6)) - thanks @mattsah
+* Fixed a bug in `StreamWrapper` preventing empty files from being copied ([#7](https://github.com/elazar/flystream/issues/7), [#8](https://github.com/elazar/flystream/pull/8)) - thanks @mattsah
+
 ## [0.4.0](https://github.com/elazar/flystream/releases/tag/0.4.0)
 
-2021-02-21
+2022-02-21
 
-* Fixed a bug in `MemoryBuffer` caused by opening the same file multiple times (#2, #4) - thanks @onet4
+* Fixed a bug in `MemoryBuffer` caused by opening the same file multiple times ([#2](https://github.com/elazar/flystream/issues/2), [#4](https://github.com/elazar/flystream/pull/4)) - thanks @onet4
 * Added `LoggingCompositeBuffer` to log buffer method calls
-* Added notes about installing Flysystem adapters to README (#1, #3) - thanks @onet4
+* Added notes about installing Flysystem adapters to README ([#1](https://github.com/elazar/flystream/issues/1), [#3](https://github.com/elazar/flystream/pull/3)) - thanks @onet4
 
 ## [0.3.0](https://github.com/elazar/flystream/releases/tag/0.3.0)