Install TagBot as a GitHub Action

[JuliaTagBot]

You're receiving this pull request because the now-deprecated Julia TagBot GitHub App is installed for this repository. This pull request installs TagBot as a GitHub Action.
If this PR does not belong in this repository for any reason, feel free to close it.

See this Discourse thread for more details and to ask questions.
Please do not comment on this pull request, because it is unlikely that I (@christopher-dG) will see it.

[codecov-io]

Codecov Report

Merging #11 into master will increase coverage by 5.64%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master      #11      +/-   ##
==========================================
+ Coverage   80.21%   85.86%   +5.64%     
==========================================
  Files           4        4              
  Lines         187      191       +4     
==========================================
+ Hits          150      164      +14     
+ Misses         37       27      -10

Impacted Files	Coverage Δ
src/interface.jl	79.62% <0%> (+2.07%)	⬆️
src/files.jl	87.09% <0%> (+6.04%)	⬆️
src/document_embeddings.jl	90.69% <0%> (+9.74%)	⬆️

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[coveralls]

Pull Request Test Coverage Report for Build 73

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 6 unchanged lines in 2 files lost coverage.
• Overall coverage increased (+15.6%) to 85.864%

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Files with Coverage Reduction	New Missed Lines	%
src/document_embeddings.jl	1	65.12%
src/interface.jl	5	66.67%

Totals
Change from base Build 70:	15.6%
Covered Lines:	164
Relevant Lines:	191

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💛 - Coveralls