Add a coursier_launch integration

This is a follow up to the repository based coursier integration. The
standard coursier integration is to this integration what the docker
integration is to the docker_image integration.

This is meant to target either maven coordinates or coursier apps
directly without depending on a hook repository containing app
descriptors and hook configs making this integration highly suitable
for local hooks.

An example of hook local targets are bellow
```yaml
- repo: local
  hooks:
    - id: scalafmt
      name: scalafmt
      entry: scalafmt # coursier app target
      language: coursier_launch
      files: (\.scala|\.sbt|\.sc)$
    - id: scalafix
      name: scalafix
      entry: ch.epfl.scala:::scalafix-cli:latest.release # maven coordinates target
      language: coursier_launch
      files: (\.scala|\.sbt|\.sc)$
    - id: echo-java
      name: echo-java
      entry: echo-java
      language: coursier_launch
      args: ["--", "hello from java"] # forward arguments to the app
```

testing/gen-languages-all

@@ -2,9 +2,9 @@
 import sys
 
 LANGUAGES = [
-    'conda', 'coursier', 'docker', 'dotnet', 'docker_image', 'fail', 'golang',
-    'node', 'perl', 'pygrep', 'python', 'ruby', 'rust', 'script', 'swift',
-    'system',
+    'conda', 'coursier', 'coursier_launch', 'docker', 'dotnet', 'docker_image',
+    'fail', 'golang', 'node', 'perl', 'pygrep', 'python', 'ruby', 'rust',
+    'script', 'swift', 'system',
 ]
 FIELDS = [
     'ENVIRONMENT_DIR', 'get_default_version', 'healthy', 'install_environment',

testing/resources/coursier_launch_hooks_repo/.pre-commit-hooks.yaml

@@ -0,0 +1,5 @@
+-   id: echo-java
+    name: echo-java
+    description: echo from java
+    entry: echo-java
+    language: coursier_launch