fix(ci): resolve YAML syntax errors in GitHub Actions workflows

- Fixed multi-line Python code blocks in beta-release.yml and nightly-release.yml
- Converted multi-line Python scripts to single-line commands
- Added gliner_research_env/ to .gitignore for research environment exclusion

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: sidmohan0

.github/workflows/beta-release.yml

@@ -95,13 +95,7 @@ jobs:
             BASE_VERSION=$(echo $CURRENT_VERSION | cut -d'a' -f1)
             BETA_VERSION="${BASE_VERSION}b1"
           else
-            BASE_VERSION=$(python3 -c "
-version = '$CURRENT_VERSION'
-parts = version.split('.')
-parts[1] = str(int(parts[1]) + 1)
-parts[2] = '0'
-print('.'.join(parts))
-")
+            BASE_VERSION=$(python3 -c "import sys; version='$CURRENT_VERSION'; parts=version.split('.'); parts[1]=str(int(parts[1])+1); parts[2]='0'; print('.'.join(parts))")
             BETA_VERSION="${BASE_VERSION}b1"
           fi
 

.github/workflows/nightly-release.yml

@@ -98,13 +98,7 @@ jobs:
           if [[ $CURRENT_VERSION == *"alpha"* ]]; then
             BASE_VERSION=$(echo $CURRENT_VERSION | cut -d'a' -f1)
           else
-            BASE_VERSION=$(python3 -c "
-version = '$CURRENT_VERSION'
-parts = version.split('.')
-parts[1] = str(int(parts[1]) + 1)
-parts[2] = '0'
-print('.'.join(parts))
-")
+            BASE_VERSION=$(python3 -c "import sys; version='$CURRENT_VERSION'; parts=version.split('.'); parts[1]=str(int(parts[1])+1); parts[2]='0'; print('.'.join(parts))")
           fi
 
           ALPHA_VERSION="${BASE_VERSION}a${DATE_STAMP}.${TIME_STAMP}.${COMMIT_SHORT}"

.gitignore

@@ -28,6 +28,7 @@ venv/
 env/
 examples/venv/
 benchmark_env/
+gliner_research_env/
 
 # Editors
 *.swp