build: bump version to 1.9.10; update NEWS.org

NEWS.org

@@ -8,6 +8,12 @@
    - a new command-line parser, which allows (hopefully!) for a better user
      interaction; better error checking and more
 
+   - Invalid e-mail addresses are no longer added to the contacts-cache.
+
+   - The ~cfind~ command gained ~--format=json~, which makes it easy to further
+     process contact information, e.g. using ~jq~. See the manpage for more
+     details.
+
    - The ~script~ command is gone, and integrated with ~mu~ directly, i.e. the
      scripts (when enabled) are directly visible in the ~mu~ output. Also see the
      Guile section.
@@ -105,9 +111,13 @@
     As usual, there have been a number of internal updates in the ~mu~ codebase:
 
     - reworked the internal s-expression parser
+
     - new command-line argument parser (based on CLI11)
+
     - message-move flag propagation moved from the mu4e-server to mu-store
 
+    - more =mu4e~= internals have been renamed/reworked in to ~mu4e--~.
+
 * 1.8 (released on June 25, 2022)
 
   (there are some changes in the installation procedure compared to 1.6.x; see

meson.build

@@ -18,7 +18,7 @@
 # project setup
 #
 project('mu', ['c', 'cpp'],
-        version: '1.9.9',
+        version: '1.9.10',
         meson_version: '>= 0.56.0',
         license: 'GPL-3.0-or-later',
         default_options : [