tesseract 5.4.0

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Created by brew bump

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Created with brew bump-formula-pr.

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release notes

## What's Changed
This releases provides an improved PDF renderer, adds a new PAGE XML renderer, extends the API to retrieve the text angle/gradient and has lots of smaller updates for code and documentation:

Update appveyor.yml - Url has changed by @softwaretirol in Update appveyor.yml - Url has changed tesseract-ocr/tesseract#4188
Fix grey result of indexed PNG in pdfrenderer. by @sjbronner in Fix grey result of indexed PNG in pdfrenderer. tesseract-ocr/tesseract#4189
Fix some typos by @stweil in Fix some typos tesseract-ocr/tesseract#4191
normstrngs: add more hyphens and quotes by @bertsky in normstrngs: add more hyphens and quotes tesseract-ocr/tesseract#4195
Rename frk -> deu_latf (ISO 639-3, ISO 15924) by @stweil in Rename frk -> deu_latf (ISO 639-3, ISO 15924) tesseract-ocr/tesseract#4202
Fix some performance issues which were reported by Coverity Scan by @stweil in Fix some performance issues which were reported by Coverity Scan tesseract-ocr/tesseract#4204
Remove broken Dockerfile by @stweil in Remove broken Dockerfile tesseract-ocr/tesseract#4205
PAGE XML renderer / export by @JKamlah in PAGE XML renderer / export tesseract-ocr/tesseract#4214
Remove unsupported OpenCL code and related API functions by @stweil in Remove unsupported OpenCL code and related API functions tesseract-ocr/tesseract#4220
facilitate vectorization for generic build by @heshpdx in facilitate vectorization for generic build tesseract-ocr/tesseract#4223
Support training without lstmf files by @stweil in Support training without lstmf files tesseract-ocr/tesseract#4215
Simplify GridSearch<...> variables using typedef equivalents by @sadra-barikbin in Simplify GridSearch<...> variables using typedef equivalents tesseract-ocr/tesseract#4226
Use std::min and std::max for min & max operations in makerow.cpp::most_overlapping_row() by @sadra-barikbin in Use std::min and std::max for min & max operations in makerow.cpp::most_overlapping_row() tesseract-ocr/tesseract#4229
Fix a few typos in comments by @sadra-barikbin in Fix a few typos in comments tesseract-ocr/tesseract#4227
Remove an unused variable in paragraphs.cpp::DetectParagraphs() by @sadra-barikbin in Remove an unused variable in paragraphs.cpp::DetectParagraphs() tesseract-ocr/tesseract#4228
A few refactors in some files by @sadra-barikbin in A few refactors in some files tesseract-ocr/tesseract#4225
Fix  output and issues reported by Coverity Scan for PAGE XML renderer by @stweil in Fix <Unicode> output and issues reported by Coverity Scan for PAGE XML renderer tesseract-ocr/tesseract#4234
Update documentation by @stweil in Update documentation tesseract-ocr/tesseract#4235
Fix some issues which were reported by GitHub code scanning by @stweil in Fix some issues which were reported by GitHub code scanning tesseract-ocr/tesseract#4236
Improve CCUtil::main_setup (fixes issue #4230) by @stweil in Improve CCUtil::main_setup (fixes issue #4230) tesseract-ocr/tesseract#4239
Allow for text angle/gradient to be retrieved by @Balearica in Allow for text angle/gradient to be retrieved tesseract-ocr/tesseract#4070
Fix setup of datadir on installations with Conda (issue #4230) by @stweil in Fix setup of datadir on installations with Conda (issue #4230) tesseract-ocr/tesseract#4240
Fix FP exception in Wordrec::angle_change (issue #4242) by @stweil in Fix FP exception in Wordrec::angle_change (issue #4242) tesseract-ocr/tesseract#4243
Use AM_CPPFLAGS also for compilation of all sources by @stweil in Use AM_CPPFLAGS also for compilation of all sources tesseract-ocr/tesseract#4244
Fix some compiler warnings by @stweil in Fix some compiler warnings tesseract-ocr/tesseract#4245
Remove unused xmlns:xlink from ALTO renderer by @stweil in Remove unused xmlns:xlink from ALTO renderer tesseract-ocr/tesseract#4241
Fix some compiler warnings by @stweil in Fix some compiler warnings tesseract-ocr/tesseract#4246
Fixes #4247: remove unnecessary nullptr checks by @hribz in Fixes #4247: remove unnecessary nullptr checks tesseract-ocr/tesseract#4248
Avoid redundant conversion from std::string to char * to std::string by @stweil in Avoid redundant conversion from std::string to char * to std::string tesseract-ocr/tesseract#4249
Replace strcpy and strncpy by new inline helper function by @stweil in Replace strcpy and strncpy by new inline helper function tesseract-ocr/tesseract#4250
Make function Network::spec pure virtual by @stweil in Make function Network::spec pure virtual tesseract-ocr/tesseract#4253

New Contributors

@softwaretirol made their first contribution in Update appveyor.yml - Url has changed tesseract-ocr/tesseract#4188
@sjbronner made their first contribution in Fix grey result of indexed PNG in pdfrenderer. tesseract-ocr/tesseract#4189
@JKamlah made their first contribution in PAGE XML renderer / export tesseract-ocr/tesseract#4214
@heshpdx made their first contribution in facilitate vectorization for generic build tesseract-ocr/tesseract#4223
@Balearica made their first contribution in Allow for text angle/gradient to be retrieved tesseract-ocr/tesseract#4070
@hribz made their first contribution in Fixes #4247: remove unnecessary nullptr checks tesseract-ocr/tesseract#4248

Full Changelog: tesseract-ocr/tesseract@5.3.4...5.4.0

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