Gracefully handle concurrent directory creations

v1.1.7

Ensure directory reliably (also covering concurrent creation). (#6)

v1.1.6: Reference documentation when cache path is missing.

Fixes NSL-3744

Add poetry caching mode.

v1.1.5

add a poetry cache mode

v1.1.4

Defensive cache metadata handling.

v1.1.3

Add PHP composer cache mode.

v1.1.2

Fix running the action when the job specifies execution in a container environment.

v1.1.1

Fix owners for cache destination directory.

v1.1.0

Support caching directories at root (e.g. /nix).

v0

Add deprecation warning for the GitHub compatibility mode.