Skip pip-complie pre-commit hook.

Different Python versions cause different files. Shouldn't be run in CI.

templates/pre-commit.yml

@@ -11,7 +11,7 @@ pre-commit:
   variables:
     XDG_CACHE_HOME: "$CI_PROJECT_DIR/.cache"
     SKIP: |-
-      gitlab-ci-linter
+      gitlab-ci-linter,pip-compile
     # yamllint disable-line rule:line-length
     TF_HTTP_ADDRESS: ${CI_API_V4_URL}/projects/${CI_PROJECT_ID}/terraform/state/default
     TF_HTTP_USERNAME: gitlab-ci-token