Introduce inclusive naming check and update existing language

We are following the Inclusive Naming Initiative's guidance as that is what the
CNCF supports.

.github/workflows/inclusive-language-check.yml

@@ -0,0 +1,10 @@
+---
+name: Check inclusive language
+
+on:
+  pull_request:
+    types: ['opened', 'reopened']
+
+jobs:
+  check-inclusive-language:
+    uses: vmware-tanzu/carvel-release-scripts/.github/workflows/inclusive-language-check.yml@main

.wokeignore

@@ -0,0 +1,2 @@
+# out of our control
+vendor/

examples/helm-ytt-post-renderer/config/additional-resources.yml

@@ -2,13 +2,13 @@
 apiVersion: v1
 kind: ConfigMap
 metadata:
-  name: postgresql-dummy1
+  name: postgresql-sample1
 data:
-  dummy1: ""
+  sample1: ""
 ---
 apiVersion: v1
 kind: ConfigMap
 metadata:
-  name: postgresql-dummy2
+  name: postgresql-sample2
 data:
-  dummy2: ""
+  sample2: ""

pkg/website/js/deps.js

@@ -6557,7 +6557,7 @@
     e.dataTransfer.setData("Text", cm.getSelection());
     e.dataTransfer.effectAllowed = "copyMove";
 
-    // Use dummy image instead of default browsers image.
+    // Use placeholder image instead of default browsers image.
     // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there.
     if (e.dataTransfer.setDragImage && !safari) {
       var img = elt("img", null, null, "position: fixed; left: 0; top: 0;");