Removal of Ghostscript to use qpdf and tesseract directly (#2338)

* navbar fix multi tool and compress location

* release notes and ghostscript removal

* cleanups

* formatting

* update docs

* more

* more

* docs

* release bump

* Hardening suggestions for Stirling-PDF / ghostscript (#2339)

* Protect `readLine()` against DoS

* Sanitized user-provided file names in HTTP multipart uploads

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Co-authored-by: pixeebot[bot] <104101892+pixeebot[bot]@users.noreply.github.com>

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Co-authored-by: pixeebot[bot] <104101892+pixeebot[bot]@users.noreply.github.com>

src/main/resources/settings.yml.template

@@ -107,9 +107,9 @@ processExecutor:
   sessionLimit:    # Process executor instances limits
     libreOfficeSessionLimit: 1
     pdfToHtmlSessionLimit: 1
-    ocrMyPdfSessionLimit: 2
+    qpdfSessionLimit: 4
+    tesseractSessionLimit: 1
     pythonOpenCvSessionLimit: 8
-    ghostScriptSessionLimit: 16
     weasyPrintSessionLimit: 16
     installAppSessionLimit: 1
     calibreSessionLimit: 1
@@ -117,7 +117,7 @@ processExecutor:
     libreOfficetimeoutMinutes: 30
     pdfToHtmltimeoutMinutes: 20
     pythonOpenCvtimeoutMinutes: 30
-    ghostScripttimeoutMinutes: 30
     weasyPrinttimeoutMinutes: 30
     installApptimeoutMinutes: 60
     calibretimeoutMinutes: 30
+    tesseractTimeoutMinutes: 30