update release notes

Author: kMutagene

src/Plotly.NET/RELEASE_NOTES.md

@@ -1,3 +1,35 @@
+### 4.0.0 - TBD
+
+- [Use Giraffe.ViewEngine as html dsl](https://github.com/plotly/Plotly.NET/pull/363)
+
+- Keep up with plotlyjs 2.x incremental updates:
+    - v2.17:
+        - [Add shift and autoshift to cartesian y axes to help avoid overlapping of multiple axes](https://github.com/plotly/Plotly.NET/commit/9f7edb8281ba87a2c122d99604af32d17efec168)
+    - v2.16:
+        - [Add bounds to mapbox subplots](https://github.com/plotly/Plotly.NET/commit/046e3c472447c720ec7896f2109895028dba471c)
+        - [Add clustering options to scattermapbox](https://github.com/plotly/Plotly.NET/commit/0ee67e3e9251515d94a2f40858ed4fdd7398e104)
+    - v2.15:
+        - [Add entrywidth and entrywidthmode to legend](https://github.com/plotly/Plotly.NET/commit/b9dffc36fe2a3d3da470d82e2bd1ae6ca8d47a8b)
+        - [Add minreducedwidth and minreducedheight to layout for increasing control over automargin](https://github.com/plotly/Plotly.NET/commit/9be3f621959593c7b2b16213affe9877449c194c)
+        - [Add two new arrow marker symbols](https://github.com/plotly/Plotly.NET/commit/61d70c2565f604a233989eb8c4147e50002745d5)
+        - [Add angle, angleref and standoff to marker and add backoff to line](https://github.com/plotly/Plotly.NET/commit/7b8ff1a1983dabff4a631e3de5b25055e14ecdff)
+    - v2.14:
+        - [Add editSelection option to config](https://github.com/plotly/Plotly.NET/commit/5744e15b14e90007c94c648e2302905fb6dbff19)
+        - [Add support for sankey links with arrows](https://github.com/plotly/Plotly.NET/commit/99d635a06e2eb9aaebacfc0703f2449c309e4a63)
+    - v2.13:
+        - [Add flaglist options including "left", "right", "top", "bottom", "width" and "height" to control the direction of automargin on cartesian axes](https://github.com/plotly/Plotly.NET/commit/5c7cadd4054e09abca58f36389f6bc12cb99f118)
+        - [Add selections, newselection and activeselection layout attributes to have persistent and editable selections over cartesian subplots](https://github.com/plotly/Plotly.NET/commit/1042e9ab430e92a0995e52b576cf2bcc7ed6532a)
+    - v2.12:
+        - [Implement various options to position and style minor ticks and grid lines on cartesian axis types](https://github.com/plotly/Plotly.NET/commit/7ed80ebba4a8d14e387f471f6d489afbf15b6916)
+        - [add griddash axis property to cartesian, polar, smith, ternary and geo subplots and add griddash and minorgriddash to carpet trace](https://github.com/plotly/Plotly.NET/commit/6711ecfffd172ce7bbf7ee43b50d1a57f3c19013)
+    - v2.10: 
+        - [Add support to use version 3 of MathJax and add typesetMath attribute to config](https://github.com/plotly/Plotly.NET/commit/d18345786d69c5b1864948991042a9b06f0121fc)
+        - [Add fill pattern to scatter and derived traces / chart APIs](https://github.com/plotly/Plotly.NET/commit/99fcf65fa0515f1a5c65cace2015545ba2980da3)
+    - v2.9: 
+        - [add ticklabelstep attribute to axes and colorbars](https://github.com/plotly/Plotly.NET/commit/5101dc57a5f43732e642536aedba1289e76d419a)
+    - v2.8: 
+        - [add horizontal color bar options](https://github.com/plotly/Plotly.NET/commit/f51c61134e1f195edee91a5fcc922d43eb3360e5)
+
 ### 3.0.1 - August 26 2022
 Minor fixes for Object abstractions: