gitignore the sources text files (#22408)

### What does this PR do?

### How did you verify your code works?

---------

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

Author: Jarred-Sumner

.github/workflows/format.yml

@@ -105,4 +105,5 @@ jobs:
       - name: Ban Words
         run: |
           bun ./test/internal/ban-words.test.ts
+          git rm -f cmake/sources/*.txt || true
       - uses: autofix-ci/action@635ffb0c9798bd160680f18fd73371e355b85f27

.gitignore

@@ -186,4 +186,7 @@ scratch*.{js,ts,tsx,cjs,mjs}
 
 *.bun-build
 
-scripts/lldb-inline
+scripts/lldb-inline
+
+# We regenerate these in all the build scripts
+cmake/sources/*.txt