[changelog] add v1.9.9.9

CHANGELOG.md

@@ -29,6 +29,7 @@ mimpid = 0x01040312 -> Version 01.04.03.12 -> v1.4.3.12
 
 | Date | Version | Comment | Ticket |
 |:----:|:-------:|:--------|:------:|
+| 15.06.2024 | 1.9.9.9 | :sparkles: add pre-configured example project for Eclipse IDE | [#926](https://github.com/stnolting/neorv32/pull/926) |
 | 14.06.2024 | 1.9.9.8 | minor rtl edits/cleanups; increase bootloader's auto-boot timeout from 8s to 10s | [#925](https://github.com/stnolting/neorv32/pull/925) |
 | 07.06.2024 | 1.9.9.7 | :sparkles: re-add TRNG "data available" interrupt | [#922](https://github.com/stnolting/neorv32/pull/922) |
 | 31.05.2024 | 1.9.9.6 | add "tag" signal to XBUS to provide additional access information (compatible to the AXI4 _ARPROT_ and _AWPROT_ signals) | [#917](https://github.com/stnolting/neorv32/pull/917) |