[tepl] Bump to version 6.00

[Jordi Mas <jmas src gnome org>]

commit 51b15258e130d2b5134f6cd5ff7f91c75e0a482a
Author: Jordi Mas <jmas softcatala org>
Date:   Wed Mar 24 08:45:06 2021 +0100

    Bump to version 6.00

 NEWS        | 2 +-
 README.md   | 2 +-
 meson.build | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/NEWS b/NEWS
index 2348e91..ea4233c 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,4 @@
-News in 5.99.1, xxxx-yy-zz (not yet released)
+News in 6.00.0, 2021-03-24 (not yet released)
 --------------------------
 * API changes:
  - The TeplInfoBar class has been reworked.
diff --git a/README.md b/README.md
index 9ed98b2..2459db6 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 Tepl - Text editor product line
 ===============================
 
-This is version 5.99.0 of Tepl.
+This is version 6.00.0 of Tepl.
 
 Tepl is a library that eases the development of GtkSourceView-based text
 editors and IDEs.
diff --git a/meson.build b/meson.build
index 10af742..a842bbd 100644
--- a/meson.build
+++ b/meson.build
@@ -6,7 +6,7 @@
 project(
   'tepl', 'c',
   meson_version: '>= 0.53',
-  version: '5.99.0',
+  version: '6.00.0',
   default_options: ['warning_level=2']
 )