Revert "change to node20 for all actions"

This reverts commit d651fbc.

Author: nickfyson

analyze/action.yml

@@ -84,6 +84,6 @@ outputs:
   sarif-id:
     description: The ID of the uploaded SARIF file.
 runs:
-  using: node20
+  using: node16
   main: "../lib/analyze-action.js"
   post: "../lib/analyze-action-post.js"

autobuild/action.yml

@@ -13,5 +13,5 @@ inputs:
       $GITHUB_WORKSPACE as its working directory.
     required: false
 runs:
-  using: node20
+  using: node16
   main: '../lib/autobuild-action.js'

init/action.yml

@@ -109,6 +109,6 @@ outputs:
   codeql-path:
     description: The path of the CodeQL binary used for analysis
 runs:
-  using: node20
+  using: node16
   main: '../lib/init-action.js'
   post: '../lib/init-action-post.js'

resolve-environment/action.yml

@@ -19,5 +19,5 @@ outputs:
   environment:
     description: The inferred build environment configuration.
 runs:
-  using: node20
+  using: node16
   main: '../lib/resolve-environment-action.js'

upload-sarif/action.yml

@@ -34,5 +34,5 @@ outputs:
   sarif-id:
     description: The ID of the uploaded SARIF file.
 runs:
-  using: node20
+  using: node16
   main: '../lib/upload-sarif-action.js'