Update ci.yml

changed CI to run on 1.10, 1.11, nightly

Update Project.toml

Set julia version to julia = "1.6.0"

changed package name to PlmDCA.jl

ci skip

ci skip

added julia 1.6 to ci

Update Project.toml

Set version to 0.4.0

update Project.toml

Set package version to v0.3.0

restricted to 1.3

Merge pull request pagnani#9 from pagnani/nogausspotts

added PottsGauge