Update lifecycle from v0.19.5 to v0.19.6 (#520)

Release notes:
https://github.com/buildpacks/lifecycle/releases/tag/v0.19.6

Full changelog:
buildpacks/lifecycle@v0.19.5...v0.19.6

Co-authored-by: heroku-linguist[bot] <136119646+heroku-linguist[bot]@users.noreply.github.com>

README.md

@@ -18,9 +18,9 @@ in each base image, see [this Dev Center article](https://devcenter.heroku.com/a
 
 | Builder Image                     | OS           | Supported Architectures | Default Run Image                   | Lifecycle Version | Status         |
 |-----------------------------------|--------------|-------------------------|-------------------------------------|-------------------|----------------|
-| [heroku/builder:20][builder-tags] | Ubuntu 20.04 | AMD64                   | [heroku/heroku:20-cnb][heroku-tags] | 0.19.5            | Available      |
-| [heroku/builder:22][builder-tags] | Ubuntu 22.04 | AMD64                   | [heroku/heroku:22-cnb][heroku-tags] | 0.19.5            | Recommended    |
-| [heroku/builder:24][builder-tags] | Ubuntu 24.04 | AMD64 + ARM64           | [heroku/heroku:24][heroku-tags]     | 0.19.5            | In Development |
+| [heroku/builder:20][builder-tags] | Ubuntu 20.04 | AMD64                   | [heroku/heroku:20-cnb][heroku-tags] | 0.19.6            | Available      |
+| [heroku/builder:22][builder-tags] | Ubuntu 22.04 | AMD64                   | [heroku/heroku:22-cnb][heroku-tags] | 0.19.6            | Recommended    |
+| [heroku/builder:24][builder-tags] | Ubuntu 24.04 | AMD64 + ARM64           | [heroku/heroku:24][heroku-tags]     | 0.19.6            | In Development |
 
 The builder images above (excluding `heroku/builder:24`, whilst it's in development) include buildpack support for the following languages: Go, Java, Node.js, PHP, Python, Ruby & Scala.
 

builder-20/builder.toml

@@ -6,7 +6,7 @@ build-image = "heroku/heroku:20-cnb-build"
 run-image = "heroku/heroku:20-cnb"
 
 [lifecycle]
-version = "0.19.5"
+version = "0.19.6"
 
 [[buildpacks]]
   id = "heroku/go"

builder-22/builder.toml

@@ -6,7 +6,7 @@ build-image = "heroku/heroku:22-cnb-build"
 run-image = "heroku/heroku:22-cnb"
 
 [lifecycle]
-version = "0.19.5"
+version = "0.19.6"
 
 [[buildpacks]]
   id = "heroku/go"

builder-24/builder.toml

@@ -6,7 +6,7 @@ build-image = "heroku/heroku:24-build"
 run-image = "heroku/heroku:24"
 
 [lifecycle]
-version = "0.19.5"
+version = "0.19.6"
 
 [[buildpacks]]
   id = "heroku/go"