Improve performance of expand_row_cols and bump version

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Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
:white_check_mark: +0.01% (target: -5.00%)	:white_check_mark: 90.48%

Coverage variation details

| | Coverable lines | Covered lines | Coverage | | ------------- | ------------- | ------------- | ------------- | | Common ancestor commit (8d33edd5cf7bdef934869cadf8d379d53645f7b4) | 2065 | 2005 | 97.09% | | | Head commit (b1b4a685b9bd2bbba3f2904a069990b867070da5) | 2072 (+7) | 2012 (+7) | 97.10% (**+0.01%**) | **Coverage variation** is the difference between the coverage for the head and common ancestor commits of the pull request branch: ` - `

Diff coverage details

| | Coverable lines | Covered lines | Diff coverage | | ------------- | ------------- | ------------- | ------------- | | Pull request (#129) | 21 | 19 | **90.48%** | **Diff coverage** is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: `/ * 100%`

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Codecov Report

Attention: Patch coverage is 78.94737% with 4 lines in your changes missing coverage. Please review.

Project coverage is 96.90%. Comparing base (8d33edd) to head (b1b4a68).

Files	Patch %	Lines
pyfastexcel/core/writer.go	69.23%	2 Missing and 2 partials :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #129 +/- ## ======================================= Coverage 96.89% 96.90% ======================================= Files 19 19 Lines 2129 2135 +6 ======================================= + Hits 2063 2069 +6 Misses 47 47 Partials 19 19 ```

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