chore: undo dev-tag image build (#454)

## fixes KILTprotocol/ticket#2388
Since Peregrine fix tags didn't contain `-rc-` the CI pushed them as
latest. This commit undo [this commit
](3a852e5)
## Checklist:

- [ ] I have verified that the code works
- [ ] No panics! (checked arithmetic ops, no indexing `array[3]` use
`get(3)`, ...)
- [ ] I have verified that the code is easy to understand
  - [ ] If not, I have left a well-balanced amount of inline comments
- [ ] I have [left the code in a better
state](https://deviq.com/principles/boy-scout-rule)
- [ ] I have documented the changes (where applicable)

.gitlab-ci.yml

@@ -64,7 +64,7 @@ build:
     - "if [[ ! -z ${CI_COMMIT_BRANCH} ]]; then ./.maintain/push-image.sh build ${CI_COMMIT_SHORT_SHA}; fi"
     - "if [[ ! -z ${CI_COMMIT_BRANCH} ]]; then ./.maintain/push-image.sh build latest-${CI_COMMIT_BRANCH}; fi"
     - "if [[ ! -z ${CI_COMMIT_TAG} ]]; then ./.maintain/push-image.sh build ${CI_COMMIT_TAG}; fi"
-    - "if [[ ! -z ${CI_COMMIT_TAG} && ! -z ${CI_COMMIT_TAG##*-rc*} ]]; then ./.maintain/push-image.sh build latest; fi"
+    - "if [[ ! -z ${CI_COMMIT_TAG} && ! -z ${CI_COMMIT_TAG##*-rc*} && ! -z ${CI_COMMIT_TAG##*dev-*} ]]; then ./.maintain/push-image.sh build latest; fi"
 
 build-wasm-peregrine:
   image: