Update Doxygen (#2099)

Author: dweindl

documentation/conf.py

@@ -86,7 +86,7 @@ def install_mtocpp():
 
 def install_doxygen():
     """Get a more recent doxygen"""
-    version = "1.9.6"
+    version = "1.9.7"
     doxygen_exe = os.path.join(
         amici_dir, "ThirdParty", f"doxygen-{version}", "bin", "doxygen"
     )

scripts/downloadAndBuildDoxygen.sh

@@ -9,7 +9,7 @@ DOXYGEN_DIR="${AMICI_PATH}"/ThirdParty/doxygen
 cd "${AMICI_PATH}"/ThirdParty
 if [[ ! -d ${DOXYGEN_DIR} ]]; then
   # git clone --depth 1 https://github.com/doxygen/doxygen.git "${DOXYGEN_DIR}"
-  git clone --single-branch --branch Release_1_9_6 --depth 1 https://github.com/doxygen/doxygen.git "${DOXYGEN_DIR}"
+  git clone --single-branch --branch Release_1_9_7 --depth 1 https://github.com/doxygen/doxygen.git "${DOXYGEN_DIR}"
 fi
 
 cd "${DOXYGEN_DIR}"