[NetworkManager-openvpn] release: bump version to 1.8.19 (development)

[Lubomir Rintel <lkundrak src gnome org>]

commit 1e03bdab9ba9649b47d5098f00f370c31821e927
Author: Lubomir Rintel <lkundrak v3 sk>
Date:   Fri Mar 11 18:28:32 2022 +0100

    release: bump version to 1.8.19 (development)

 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/configure.ac b/configure.ac
index dfe2deb..c15d3ca 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,7 @@
 AC_PREREQ(2.52)
 
 AC_INIT(NetworkManager-openvpn,
-        1.8.18,
+        1.8.19,
         https://gitlab.gnome.org/GNOME/NetworkManager-openvpn/issues,
         NetworkManager-openvpn)
 AM_INIT_AUTOMAKE([1.9 tar-ustar no-dist-gzip dist-xz -Wno-portability])