Fix typos (#1087)

Found via `codespell -S tests,LICENSES -L flate`

src/ocrmypdf/_exec/tesseract.py

@@ -104,7 +104,7 @@ TESSERACT_VERSION_PATTERN = r"""
 
 
 class TesseractVersion(Version):
-    "Modify standard packaging.Version regex to support Tesseract idiosyncracies."
+    "Modify standard packaging.Version regex to support Tesseract idiosyncrasies."
     _regex = re.compile(
         r"^\s*" + TESSERACT_VERSION_PATTERN + r"\s*$", re.VERBOSE | re.IGNORECASE
     )

src/ocrmypdf/builtin_plugins/tesseract_ocr.py

@@ -58,7 +58,7 @@ def add_options(parser):
         metavar='METHOD',
         help=(
             "Set Tesseract 5.0+ input image thresholding mode. This may improve OCR "
-            "results on low quality images or those that contain high constrast color. "
+            "results on low quality images or those that contain high contrast color. "
             "legacy-otsu is the Tesseract default; adaptive-otsu is an improved Otsu "
             "algorithm with improved sort for background color changes; sauvola is "
             "based on local standard deviation."

src/ocrmypdf/pdfa.py

@@ -84,7 +84,7 @@ def generate_pdfa_ps(target_filename: Path, icc: str = 'sRGB'):
     Ghostscript uses pdfmark for PDF to PDF/A conversion as well. To use Ghostscript
     to create a PDF/A, we need to create a pdfmark file with the necessary metadata.
 
-    This function takes care of the many version-specific bugs and pecularities in
+    This function takes care of the many version-specific bugs and peculiarities in
     Ghostscript's handling of pdfmark.
 
     The only information we put in specifies that we want the file to be a

src/ocrmypdf/pluginspec.py

@@ -269,7 +269,7 @@ def filter_page_image(page: PageContext, image_filename: Path) -> Path:
     to enforce these constraints; it is up to the plugin to do sensible things.
 
     OCRmyPDF will create the PDF page based on the image format used (unless the
-    hook is overriden). If you convert the image to a JPEG, the output page will
+    hook is overridden). If you convert the image to a JPEG, the output page will
     be created as a JPEG, etc. If you change the colorspace, that change will be
     kept. Note that the OCRmyPDF image optimization stage, if enabled, may
     ultimately chose a different format.

src/ocrmypdf/subprocess/__init__.py

@@ -37,7 +37,7 @@ def run(
     """Wrapper around :py:func:`subprocess.run`
 
     The main purpose of this wrapper is to log subprocess output in an orderly
-    fashion that indentifies the responsible subprocess. An additional
+    fashion that identifies the responsible subprocess. An additional
     task is that this function goes to greater lengths to find possible Windows
     locations of our dependencies when they are not on the system PATH.