chore(ci): allow scanner actions to auto-select Go toolchain

.gitea/workflows/pr-validation.yml

@@ -154,11 +154,15 @@ jobs:
 
       - name: Run Gosec Security Scanner
         uses: securego/gosec@v2.22.3
+        env:
+          GOTOOLCHAIN: auto
         with:
           args: './...'
 
       - name: Run Go Vulnerability Check
         uses: golang/govulncheck-action@v1
+        env:
+          GOTOOLCHAIN: auto
 
       - name: Generate coverage badge
         env:

.gitea/workflows/push-validation.yml

@@ -65,11 +65,15 @@ jobs:
 
       - name: Run Gosec Security Scanner
         uses: securego/gosec@v2.22.3
+        env:
+          GOTOOLCHAIN: auto
         with:
           args: './...'
 
       - name: Run Go Vulnerability Check
         uses: golang/govulncheck-action@v1
+        env:
+          GOTOOLCHAIN: auto
 
       - name: Install AWS CLI v2
         uses: ankurk91/install-aws-cli-action@v1