Switch to 1es pipelines

[ejizba]

Official build:
https://azfunc.visualstudio.com/internal/_build/results?buildId=167473&view=results

Public build:
https://dev.azure.com/azfunc/public/_build/results?buildId=167470&view=results

Some notes:

• Unit tests are run for both, however I'm only testing on windows and linux, not mac. AFAIK our pools don't support mac and linux should be good enough to cover mac
• Build that creates the tgz drop artifact is run for both, but only official can uncheck "IsPrerelease"
• I removed most of the sbom logic in favor of the default sbom logic included with 1es. Also, we used to be including the sbom manifest in the tgz artifact, but 1es doesn't do that and turns out we didn't need to either (docs here)