*: bump go to version 1.22 (#3092)

Bump go version. Should be safe, as we are already using go 1.22 in the pipelines without any issues.

category: misc
ticket: none

.github/workflows/codeql-analysis.yml

@@ -20,6 +20,9 @@ on:
   schedule:
     - cron: '18 19 * * 6'
 
+env:
+  GOLANG_VERSION: '1.22'
+
 jobs:
   analyze:
     name: Analyze
@@ -40,6 +43,11 @@ jobs:
     - name: Checkout repository
       uses: actions/checkout@v3
 
+    - name: Set up Go
+      uses: actions/setup-go@v5
+      with:
+        go-version: ${{ env.GOLANG_VERSION }}
+
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v2

go.mod

@@ -1,6 +1,6 @@
 module github.com/obolnetwork/charon
 
-go 1.21
+go 1.22
 
 require (
 	github.com/attestantio/go-eth2-client v0.21.4