Fix codespell (#945)

Fixes some usage, fixes some typos, and adds a word to the exclude list.

For some reason, codespell recently started failing. Not sure why. For
example, see:

* https://github.com/neondatabase/autoscaling/actions/runs/9223395913/job/25376518993?pr=944
* https://github.com/neondatabase/autoscaling/actions/runs/9218422507/job/25361935678?pr=936

.github/workflows/lint.yml

@@ -78,7 +78,8 @@ jobs:
       - uses: codespell-project/actions-codespell@94259cd8be02ad2903ba34a22d9c13de21a74461 # v2.0
         with:
           check_hidden: true
-          skip: go.sum,*.patch # '*.patch' references cluster-autoscaler/ca.patch, but somehow skipping directly doesn't work...
+          ignore_words_list: NotIn # k8s match selectors; codespell tries to correct it to 'noting', 'not in', or 'notion'
+          skip: go.sum,./cluster-autoscaler/ca.patch
 
   actionlint:
     runs-on: ubuntu-latest

cluster-autoscaler/Dockerfile

@@ -6,7 +6,7 @@ WORKDIR /workspace
 
 ARG CA_GIT_TAG
 
-# Download the repo. It's... quite large, but thankfuly this should get cached
+# Download the repo. It's... quite large, but thankfully this should get cached
 RUN git clone --depth=1 -b $CA_GIT_TAG https://github.com/kubernetes/autoscaler
 
 # Only ADD the patch after downloading, to avoid wrecking the cache

neonvm/migration.md

@@ -69,7 +69,7 @@ status:
 
 ### Questions
 
-- how generate name for target VM (name prefix/sufix/other) ?
+- how generate name for target VM (name prefix/suffix/other) ?
 - how long migration resource should be available (`kubectl get neonvmmigrate`) after migration finished ?
 - how to cancel migration ? as variant - just delete it (`kubectl delete neonvmmigrate example`)
 - should migration controller delete source VM after migration ?