Update opentelemetry-collector-releases version to v0.121.0 (#6464)

Author: opentelemetrybot

content/en/docs/collector/_index.md

@@ -3,7 +3,7 @@ title: Collector
 description: Vendor-agnostic way to receive, process and export telemetry data.
 aliases: [./about]
 cascade:
-  vers: 0.120.0
+  vers: 0.121.0
 weight: 270
 ---
 

content/en/docs/security/_index.md

@@ -1,7 +1,7 @@
 ---
 title: Security
 cascade:
-  collector_vers: 0.120.0
+  collector_vers: 0.121.0
 weight: 970
 ---
 

static/refcache.json

@@ -6519,6 +6519,34 @@
     "StatusCode": 206,
     "LastSeen": "2025-02-19T19:17:58.227636872Z"
   },
+  "https://github.com/open-telemetry/opentelemetry-collector/blob/v0.121.0/component/config.go": {
+    "StatusCode": 206,
+    "LastSeen": "2025-03-04T16:42:33.627960963Z"
+  },
+  "https://github.com/open-telemetry/opentelemetry-collector/blob/v0.121.0/component/config.go#L50": {
+    "StatusCode": 206,
+    "LastSeen": "2025-03-04T16:42:31.319465891Z"
+  },
+  "https://github.com/open-telemetry/opentelemetry-collector/blob/v0.121.0/pdata/internal/data/protogen/trace/v1/trace.pb.go": {
+    "StatusCode": 206,
+    "LastSeen": "2025-03-04T16:42:48.019582158Z"
+  },
+  "https://github.com/open-telemetry/opentelemetry-collector/blob/v0.121.0/pdata/pcommon/map.go": {
+    "StatusCode": 206,
+    "LastSeen": "2025-03-04T16:42:50.592860024Z"
+  },
+  "https://github.com/open-telemetry/opentelemetry-collector/blob/v0.121.0/receiver/receiver.go": {
+    "StatusCode": 206,
+    "LastSeen": "2025-03-04T16:42:39.068905901Z"
+  },
+  "https://github.com/open-telemetry/opentelemetry-collector/blob/v0.121.0/receiver/receiver.go#L58": {
+    "StatusCode": 206,
+    "LastSeen": "2025-03-04T16:42:35.8271288Z"
+  },
+  "https://github.com/open-telemetry/opentelemetry-collector/blob/v0.121.0/semconv/v1.9.0/generated_resource.go": {
+    "StatusCode": 206,
+    "LastSeen": "2025-03-04T16:42:52.650816272Z"
+  },
   "https://github.com/open-telemetry/opentelemetry-collector/issues/10469": {
     "StatusCode": 206,
     "LastSeen": "2025-02-01T07:12:41.436253-05:00"