docs: fix typos (#1705)

## Summary

Fix typos found via `codespell -S
*.txt,*.yaml,generate_kerning_ligature_epub.py -L
currenty,flate,ser,localy,logicaly,ans,clen,portugues,notin,curren`

## Additional Context

* Add any other information that might be helpful for the reviewer
(e.g., performance implications, potential risks,
  specific areas to focus on).

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Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

src/network/OtaUpdater.cpp

@@ -214,7 +214,7 @@ OtaUpdater::OtaUpdaterError OtaUpdater::installUpdate() {
       .url = otaUrl.c_str(),
       .timeout_ms = 15000,
       /* Default HTTP client buffer size 512 byte only
-       * not sufficent to handle URL redirection cases or
+       * not sufficient to handle URL redirection cases or
        * parsing of large HTTP headers.
        */
       .buffer_size = 8192,