[v10.1.x] Chore: Upgrade Go to 1.20.8 (#74980)

Chore: Upgrade Go to 1.20.8 (#74978)

chore: Update to Go 1.20.8
(cherry picked from commit 39dbd98458)

Co-authored-by: Horst Gutmann <horst.gutmann@grafana.com>

.github/workflows/codeql-analysis.yml

@@ -44,7 +44,7 @@ jobs:
       name: Set go version
       uses: actions/setup-go@v4
       with:
-        go-version: '1.20.6'
+        go-version: '1.20.8'
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL