Update to DITA-OT 3.6.1

Author: jason-fox

.github/workflows/ci.yml

@@ -32,7 +32,7 @@ jobs:
       - name: Run DITA-OT Unit Test
         uses: jason-fox/dita-unit-test-action@master
         with:
-          dita-ot-version: 3.6
+          dita-ot-version: 3.6.1
           plugin: 'fox.jason.passthrough.doxygen'
         env:
           COVERALLS_TOKEN: ${{ secrets.COVERALLS_TOKEN }}

README.md

@@ -83,17 +83,17 @@ The DITA-OT doxygen plug-in is a file reader for the DITA Open Toolkit.
 -   Full installation instructions for downloading DITA-OT can be found
     [here](https://www.dita-ot.org/3.6/topics/installing-client.html).
 
-    1.  Download the `dita-ot-3.6.zip` package from the project website at
+    1.  Download the `dita-ot-3.6.1.zip` package from the project website at
         [dita-ot.org/download](https://www.dita-ot.org/download)
     2.  Extract the contents of the package to the directory where you want to install DITA-OT.
     3.  **Optional**: Add the absolute path for the `bin` directory to the _PATH_ system variable.
 
     This defines the necessary environment variable to run the `dita` command from the command line.
 
 ```console
-curl -LO https://github.com/dita-ot/dita-ot/releases/download/3.6/dita-ot-3.6.zip
-unzip -q dita-ot-3.6.zip
-rm dita-ot-3.6.zip
+curl -LO https://github.com/dita-ot/dita-ot/releases/download/3.6.1/dita-ot-3.6.1.zip
+unzip -q dita-ot-3.6.1.zip
+rm dita-ot-3.6.1.zip
 ```
 
 ### Installing the Plug-in