Prepare for Catalyst v0.11.0-dev (development release) (#1413)

**Context:** Preparing the main branch for Catalyst v0.11.0-dev
(development release).

**Description of the Change:** Bump version to "0.11.0-dev" and add new
changelog.

---------

Co-authored-by: erick-xanadu <110487834+erick-xanadu@users.noreply.github.com>

doc/dev/release_notes.rst

@@ -3,6 +3,8 @@ Release notes
 
 This page contains the release notes for Catalyst.
 
+.. mdinclude:: ../releases/changelog-dev.md
+
 .. mdinclude:: ../releases/changelog-0.10.0.md
 
 .. mdinclude:: ../releases/changelog-0.9.0.md

doc/releases/changelog-dev.md

@@ -0,0 +1,19 @@
+# Release 0.10.0 (development release)
+
+<h3>New features since last release</h3>
+
+<h3>Improvements 🛠</h3>
+
+<h3>Breaking changes 💔</h3>
+
+<h3>Deprecations 👋</h3>
+
+<h3>Bug fixes 🐛</h3>
+
+<h3>Internal changes ⚙️</h3>
+
+<h3>Documentation 📝</h3>
+
+<h3>Contributors ✍️</h3>
+
+This release contains contributions from (in alphabetical order):

frontend/catalyst/_version.py

@@ -16,4 +16,4 @@
    Version number (major.minor.patch[-label])
 """
 
-__version__ = "0.10.0"
+__version__ = "0.11.0-dev0"