Merge pull request buildpacks#1133 from buildpacks/i386_build_fix

update ppa release by pinning go version to enable building for i386 arch

Merge pull request buildpacks#1133 from buildpacks/i386_build_fix

update ppa release by pinning go version to enable building for i386 arch

Merge pull request buildpacks#1111 from buildpacks/fix/1081-1108-buil…

…dpack-duplicates

Fix duplicate detection and content collision
Signed-off-by: David Freilich <freilich.david@gmail.com>

Merge pull request buildpacks#1112 from buildpacks/windows_linux_arm_…

…version_release

Build & release pipeline fixes

Merge pull request buildpacks#1112 from buildpacks/windows_linux_arm_…

…version_release

Build & release pipeline fixes

Merge pull request buildpacks#1052 from jabrown85/jab/add-heroku-20-b…

…uilder

Add heroku/buildpacks:20 to suggested builders list

Merge pull request buildpacks#1043 from buildpacks/987_unlink_at_bug

Update project.toml includes and excludes to respect repository root

Merge pull request buildpacks#1042 from buildpacks/914-clarify-env-vars

Update pack build flags
Signed-off-by: David Freilich <dfreilich@vmware.com>

Fix inspect-buildpack command when docker: URLs are passed to it

Signed-off-by: Joe Kutner <jpkutner@gmail.com>

Merge pull request buildpacks#970 from dwillist/491_caching_layers_re…

…mote_registry

Enable caching layers in image registry via `cache-image` flag