Update CI

Merge pull request #24 from JuliaString/spj/updateci

Update version, add Julia v1.6 to testing

v1.0.1

LaTeX_Entities v1.0.1

Diff since v1.0.0

Merged pull requests:

• Install TagBot as a GitHub Action (#21) (@JuliaTagBot)
• Update LaTeX entity tables with additions to Julia REPL (#22) (@ScottPJones)

v1.0.0

Update scripts and Project.toml

Update version in Project.toml

v0.3.2

Update versions

Update data file

v0.3.1

Update LaTeX data file

Update scripts & Project.toml for Julia v1.1, drop Julia v0.x support

v0.3.0

Update versions & drop support for Julia v0.x

Cap Julia version to < v2

v0.2.6

Cap at Julia v2

Update REQUIRE & .travis.yml

v0.2.5

Update REQUIRE & .travis.yml

Update for Pkg3 changes

v0.2.4

Update REQUIRE and use Pkg3 on v0.7

Add Appveyor testing, badges, new Pkg changes

v0.2.3

Update build scripts