chore: Prepare for v2.7 release (#3001)

* chore: Introduce v2.7 in changelog

Signed-off-by: Tom Kerkhove <kerkhove.tom@gmail.com>

* Add v2.7 to bug template

Signed-off-by: Tom Kerkhove <kerkhove.tom@gmail.com>

.github/ISSUE_TEMPLATE/3_bug_report.yml

@@ -57,6 +57,7 @@ body:
     label: KEDA Version
     description: What version of KEDA that are you running?
     options:
+    - "2.7.0"
     - "2.6.1"
     - "2.6.0"
     - "2.5.0"

CHANGELOG.md

@@ -14,6 +14,7 @@ To learn more about our roadmap, we recommend reading [this document](ROADMAP.md
 ## History
 
 - [Unreleased](#unreleased)
+- [v2.7.0](#v270)
 - [v2.6.1](#v261)
 - [v2.6.0](#v260)
 - [v2.5.0](#v250)
@@ -34,6 +35,24 @@ To learn more about our roadmap, we recommend reading [this document](ROADMAP.md
 
 ### New
 
+- TODO ([#XXX](https://github.com/kedacore/keda/issue/XXX))
+
+### Improvements
+
+- TODO ([#XXX](https://github.com/kedacore/keda/issue/XXX))
+
+### Deprecations
+
+- TODO ([#XXX](https://github.com/kedacore/keda/issue/XXX))
+
+### Breaking Changes
+
+- TODO ([#XXX](https://github.com/kedacore/keda/issue/XXX))
+
+## v2.7.0
+
+### New
+
 - **General:** Introduce annotation `"autoscaling.keda.sh/paused-replicas"` for ScaledObjects to pause scaling at a fixed replica count. ([#944](https://github.com/kedacore/keda/issues/944))
 - **General:** Introduce ARM-based container image for KEDA ([#2263](https://github.com/kedacore/keda/issues/2263)|[#2262](https://github.com/kedacore/keda/issues/2262))
 - **General:** Introduce new AWS DynamoDB Scaler ([#2486](https://github.com/kedacore/keda/issues/2482))
@@ -73,13 +92,13 @@ To learn more about our roadmap, we recommend reading [this document](ROADMAP.md
 - **RabbitMQ Scaler:** Include `vhost` for RabbitMQ when retrieving queue info with `useRegex` ([#2498](https://github.com/kedacore/keda/issues/2498))
 - **Selenium Grid Scaler:** Consider `maxSession` grid info when scaling. ([#2618](https://github.com/kedacore/keda/issues/2618))
 
-## Deprecations
+### Deprecations
 
 - **CPU, Memory, Datadog Scalers**: `metadata.type` is deprecated in favor of the global `metricType` ([#2030](https://github.com/kedacore/keda/issues/2030))
 
 ### Breaking Changes
 
-- TODO ([#XXX](https://github.com/kedacore/keda/issue/XXX))
+None.
 
 ### Other
 
@@ -104,7 +123,7 @@ To learn more about our roadmap, we recommend reading [this document](ROADMAP.md
 - **Memory Scaler:** Adding e2e test ([#2220](https://github.com/kedacore/keda/issues/2220))
 - **Selenium Grid Scaler:** Adding e2e test ([#2791](https://github.com/kedacore/keda/issues/2791))
 
-## v.2.6.1
+## v2.6.1
 
 ### Improvements