Create 1.8.0 release. (#282)

* Create 1.8.0 release.

Signed-off-by: Peter Štibraný <[email protected]>

* Update image tags.

Signed-off-by: Peter Štibraný <[email protected]>

Author: pstibrany

CHANGELOG.md

@@ -2,6 +2,8 @@
 
 ## master / unreleased
 
+## 1.8.0 / 2021-03-25
+
 * [CHANGE] Updated the trunk branch from `master` to `main`. You need to run the following in your local fork: #265
   ```
   git branch -m master main

cortex/images.libsonnet

@@ -5,7 +5,7 @@
     memcachedExporter: 'prom/memcached-exporter:v0.6.0',
 
     // Our services.
-    cortex: 'cortexproject/cortex:v1.7.0',
+    cortex: 'cortexproject/cortex:v1.8.0',
 
     alertmanager: self.cortex,
     distributor: self.cortex,
@@ -19,7 +19,7 @@
     store_gateway: self.cortex,
 
     cortex_tools: 'grafana/cortex-tools:v0.4.0',
-    query_tee: 'quay.io/cortexproject/query-tee:v1.7.0',
-    testExporter: 'cortexproject/test-exporter:v1.7.0',
+    query_tee: 'quay.io/cortexproject/query-tee:v1.8.0',
+    testExporter: 'cortexproject/test-exporter:v1.8.0',
   },
 }