fix syntax error

.github/actions/cmx-versions/action.yaml

@@ -1,7 +1,7 @@
 name: 'Get CMX Versions'
 description: 'Retrieves a list of the CMX versions to test against'
 runs:
-  using: 'node16'
+  using: 'node20'
   main: 'dist/index.js'
 
 inputs:

.github/actions/kurl-addon-kots-publisher/action.yml

@@ -11,5 +11,5 @@ inputs:
     required: true
     description: 'GitHub token.'
 runs:
-  using: 'node16'
+  using: 'node20'
   main: 'dist/index.js'

.github/actions/version-tag/action.yml

@@ -4,5 +4,5 @@ outputs:
   GIT_TAG:
     description: 'Git tag if this is a tagged revision'
 runs:
-  using: 'node16'
+  using: 'node20'
   main: 'dist/index.js'

.github/workflows/build-test.yaml

@@ -4188,7 +4188,7 @@ jobs:
 
           # ---- validate archives ---- #
 
-          func validate_configmap_in_archive() {
+          function validate_configmap_in_archive {
             local expected_value="$1"
             if ! grep -q "$expected_value" get-set-config/base/configmap.yaml; then
               echo "expected base/configmap.yaml to contain $expected_value"