build: disable tests workflow for releases

- Do not run test workflow for releases

Author: dkasimovskiy

.github/workflows/tests.yml

@@ -15,6 +15,7 @@ env:
 
 jobs:
   tests-cartridge-container:
+    if: "!contains(github.event.head_commit.message, '[maven-release-plugin]')"
     runs-on: ubuntu-latest
     timeout-minutes: 25
     strategy:
@@ -57,6 +58,7 @@ jobs:
           overwrite: true
 
   tests-tarantool-container:
+    if: "!contains(github.event.head_commit.message, '[maven-release-plugin]')"
     runs-on: ubuntu-latest
     timeout-minutes: 25
     strategy:
@@ -95,6 +97,7 @@ jobs:
           overwrite: true
 
   merge-jacoco-report:
+    if: "!contains(github.event.head_commit.message, '[maven-release-plugin]')"
     name: Jacoco Merge Results
     needs:
       - tests-cartridge-container