fix: roleback version

Author: mxab

.github/workflows/release.yaml

@@ -30,7 +30,7 @@
           with:
             go-version-file: 'go.mod'
             cache: true
-            go-version: "1.20.7"
+            go-version: "1.20.4"
         -
           name: Import GPG key
           id: import_gpg

.github/workflows/test.yaml

@@ -26,7 +26,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v2.1.3
       with:
-        go-version: '1.20.7'
+        go-version: '1.20.4'
       id: go
 
     - name: Check out code into the Go module directory
@@ -58,7 +58,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v4
       with:
-        go-version: '1.20.7'
+        go-version: '1.20.4'
       id: go
 
     - name: Check out code into the Go module directory