data/excluded: batch add 3 excluded reports

Adds excluded reports:
	- data/excluded/GO-2023-2392.yaml
	- data/excluded/GO-2023-2391.yaml
	- data/excluded/GO-2023-2390.yaml

Fixes #2392
Fixes #2391
Fixes #2390

Change-Id: Ic98a4d0e1e98779a7500ec9c940dc337b86a05e1
Reviewed-on: https://go-review.googlesource.com/c/vulndb/+/549240
LUCI-TryBot-Result: Go LUCI <[email protected]>
Reviewed-by: Damien Neil <[email protected]>

Author: tatianab

data/excluded/GO-2023-2390.yaml

@@ -0,0 +1,8 @@
+id: GO-2023-2390
+excluded: EFFECTIVELY_PRIVATE
+modules:
+    - module: github.com/mattermost/mattermost/server/v8
+cves:
+    - CVE-2023-6459
+ghsas:
+    - GHSA-63cv-4pc2-4fcf

data/excluded/GO-2023-2391.yaml

@@ -0,0 +1,8 @@
+id: GO-2023-2391
+excluded: EFFECTIVELY_PRIVATE
+modules:
+    - module: github.com/mattermost/mattermost
+cves:
+    - CVE-2023-6458
+ghsas:
+    - GHSA-7664-hcp7-f497

data/excluded/GO-2023-2392.yaml

@@ -0,0 +1,6 @@
+id: GO-2023-2392
+excluded: EFFECTIVELY_PRIVATE
+modules:
+    - module: knative.dev/eventing-gitlab
+ghsas:
+    - GHSA-99jv-8292-2hpm