Bump dependencies

- chroma/v2: v2.20.0 → v2.21.1
- go-pkgz/auth/v2: v2.1.0 → v2.1.1
- go-pkgz/rest: v1.20.4 → v1.20.6
- golang.org/x/* packages to latest

Also exclude "meaningless package names" revive warning in linter config.

fix: missing comma in example frontend configuration

fix: missing comma in example frontend configuration

add escaping of comment text in webhook default JSON template

add escaping of comment text in webhook default JSON template

pin golangci-lint version to latest available, fix reported errors

pin golangci-lint version to latest available, fix reported errors

switch to stable, updated auth

mod tidy for mem_store example

add cmd/var to ignore