Bump tika-core from 1.20 to 1.21

[dependabot-preview]

Bumps tika-core from 1.20 to 1.21.

Changelog

Sourced from tika-core's changelog.

Release 2.0.0 - ???
BREAKING CHANGES in 2.0.0

• Remove deprecated Metadata keys/properties (TIKA-1974).

Other changes

Release 1.21 - ????

• Add optional AUTO mode to OCR'ing of PDFs. If tesseract is installed
  and on the path, and this option is selected programmatically
  or via TikaConfig(), the PDFParser will use heuristics to decide
  whether or not to run OCR per page on PDFs. (TIKA-2749)

• The ZipContainerDetector's default behavior was changed to run
  streaming detection up to its markLimit. Users can get the
  legacy behavior (spool-to-file/rely-on-underlying-file-in-TikaInputStream)
  by setting markLimit=-1. The POIFSContainerDetector requires an underlying file;
  it will try to spool the file to disk; if the file's length is > markLimit,
  it will not attempt detection; set markLimit to -1 for legacy behavior (TIKA-2849).

• Upgrade PDFBox to 2.0.14 (TIKA-2834).

• Add CSV detection and replace TXTParser with TextAndCSVParser;
  users can turn off CSV detection by excluding the TextAndCSVParser
  and adding back the TXTParser via tika-config (TIKA-2833).

• Add a CSVParser. CSV detection is currently based solely on filename
  and/or information conveyed via Metadata (TIKA-2826).

• General upgrades: asm, bouncycastle, commons-codec, commons-lang3, cxf,
  guava, h2, httpcomponents, jackcess, junrar, Lucene, mime4j, opennlp, parso,
  sqlite-jdbc (provided), zstd-jni (provided) (TIKA-2824)

• Bundle xerces2 with tika-parsers (TIKA-2802).

• Upgrade jaxb to 2.3.2 (TIKA-2819).

• Upgrade jackson to 2.9.8 (TIKA-2717).

• Update tika-eval's common tokens lists (TIKA-2822).

• Handle bad tags in tika-eval more robustly (TIKA-2810).

• Add reports for tags in tika-eval (TIKA-2809).

• Extract text from SDT element within textboxes in .docx files (TIKA-2807).

• Try to handle truncated OOXML files more robustly (TIKA-2765).

... (truncated)

Commits

• 7d4dd43 [maven-release-plugin] prepare release 1.21-rc2
• 9f2bb6f Update CHANGES.txt for 1.21 release.
• f1b7ee6 rollback to 1.21-SNAPSHOT for rc2
• a597eb6 TIKA-2873 -- workaround for newly re-discovered bug in POI's ChunkedCipherInp...
• dd17e10 TIKA-2872 -- add slf4j-log4j12 to tika-dl. Thank you, Oleg Tikhonov!
• c4a9cc9 TIKA-2871 -- don't include testChm_oom.chm in multithreaded tests.
• 698d5b3 [maven-release-plugin] prepare for next development iteration
• 84e9af9 [maven-release-plugin] prepare release 1.21-rc1
• 750b390 update CHANGES.txt for 1.21 release
• 93512ee update license headers/exclusions for RAT
• Additional commits viewable in compare view

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