Update the change log and pretify the version section headers

Signed-off-by: Adam.Dybbroe <a000680@c22526.ad.smhi.se>

CHANGELOG.md

@@ -1,4 +1,19 @@
-## Version <0.13.2> (2024/06/27)
+## Version v0.13.3 (2024/07/17)
+
+### Pull Requests Merged
+
+#### Bugs fixed
+
+* [PR 231](https://github.com/pytroll/pyspectral/pull/231) - Updated the file name for the FY-3F Mersi-3 RSRs
+
+#### Features added
+
+* [PR 226](https://github.com/pytroll/pyspectral/pull/226) - Add RSR script for MERSI-3 onboard FY-3F
+
+In this release 2 pull requests were closed.
+
+
+## Version v0.13.2 (2024/06/27)
 
 ### Issues Closed
 
@@ -15,7 +30,7 @@ In this release 1 issue was closed.
 In this release 1 pull request was closed.
 
 
-## Version <v0.13.1> (2024/05/07)
+## Version v0.13.1 (2024/05/07)
 
 ### Issues Closed
 
@@ -37,7 +52,7 @@ In this release 2 issues were closed.
 In this release 5 pull requests were closed.
 
 
-## Version <v0.13.0> (2023/11/27)
+## Version v0.13.0 (2023/11/27)
 
 ### Issues Closed
 
@@ -60,7 +75,7 @@ In this release 2 issues were closed.
 In this release 6 pull requests were closed.
 
 
-## Version <v0.12.5> (2023/09/21)
+## Version 0.12.5 (2023/09/21)
 
 ### Pull Requests Merged
 
@@ -71,7 +86,7 @@ In this release 6 pull requests were closed.
 In this release 1 pull request was closed.
 
 
-## Version <v0.12.4> (2023/09/20)
+## Version v0.12.4 (2023/09/20)
 
 ### Issues Closed
 
@@ -93,7 +108,7 @@ In this release 1 issue was closed.
 In this release 3 pull requests were closed.
 
 
-## Version <v0.12.3> (2022/11/22)
+## Version v0.12.3 (2022/11/22)
 
 ### Issues Closed
 
@@ -119,7 +134,7 @@ In this release 5 issues were closed.
 In this release 3 pull requests were closed.
 
 
-## Version <v0.12.2> (2022/10/24)
+## Version 0.12.2 (2022/10/24)
 
 ### Issues Closed
 
@@ -136,7 +151,7 @@ In this release 1 issue was closed.
 In this release 1 pull request was closed.
 
 
-## Version <v0.12.1> (2022/10/20)
+## Version v0.12.1 (2022/10/20)
 
 
 ### Pull Requests Merged
@@ -152,7 +167,7 @@ In this release 1 pull request was closed.
 In this release 2 pull requests were closed.
 
 
-## Version <v0.12.0> (2022/10/11)
+## Version v0.12.0 (2022/10/11)
 
 ### Issues Closed
 
@@ -187,7 +202,7 @@ In this release 1 issue was closed.
 In this release 13 pull requests were closed.
 
 
-## Version <v0.11.0> (2022/03/01)
+## Version v0.11.0 (2022/03/01)
 
 
 ### Pull Requests Merged
@@ -200,7 +215,7 @@ In this release 13 pull requests were closed.
 In this release 2 pull requests were closed.
 
 
-## Version <v0.10.6> (2021/12/22)
+## Version v0.10.6 (2021/12/22)
 
 ### Issues Closed
 
@@ -226,7 +241,7 @@ In this release 2 issues were closed.
 In this release 6 pull requests were closed.
 
 
-## Version <v0.10.5> (2021/04/29)
+## Version v0.10.5 (2021/04/29)
 
 ### Pull Requests Merged
 
@@ -245,7 +260,7 @@ In this release 6 pull requests were closed.
 In this release 2 pull requests were closed.
 
 
-## Version <v0.10.4> (2020/12/07)
+## Version v0.10.4 (2020/12/07)
 
 
 ### Pull Requests Merged
@@ -257,15 +272,16 @@ In this release 2 pull requests were closed.
 In this release 1 pull request was closed.
 
 
-## Version <v0.10.3> (2020/12/04)
+## Version v0.10.3 (2020/12/04)
 
 ### Issues Closed
 
 * [Issue 89](https://github.com/pytroll/pyspectral/issues/89) - GK2A AMI RSR wavelengths are reversed
 
 In this release 1 issue was closed.
 
-## Version <v0.10.2> (2020/11/20)
+
+## Version v0.10.2 (2020/11/20)
 
 ### Issues Closed
 
@@ -296,7 +312,7 @@ In this release 1 issue was closed.
 In this release 9 pull requests were closed.
 
 
-## Version <v0.10.1> (2020/10/06)
+## Version v0.10.1 (2020/10/06)
 
 ### Issues Closed