data/excluded: batch add 2 excluded reports

Adds excluded reports:
	- data/excluded/GO-2023-2327.yaml
	- data/excluded/GO-2023-2326.yaml

Fixes #2327
Fixes #2326

Change-Id: I48daf53f3ec5d555cc8d751e6a15a3ab301bd464
Reviewed-on: https://go-review.googlesource.com/c/vulndb/+/541122
Reviewed-by: Zvonimir Pavlinovic <[email protected]>
LUCI-TryBot-Result: Go LUCI <[email protected]>

Author: tatianab

data/excluded/GO-2023-2326.yaml

@@ -0,0 +1,8 @@
+id: GO-2023-2326
+excluded: NOT_A_VULNERABILITY
+modules:
+    - module: std
+      packages:
+        - package: encoding/xml
+cves:
+    - CVE-2020-29511

data/excluded/GO-2023-2327.yaml

@@ -0,0 +1,8 @@
+id: GO-2023-2327
+excluded: NOT_A_VULNERABILITY
+modules:
+    - module: std
+      packages:
+        - package: encoding/xml
+cves:
+    - CVE-2020-29510